CN114557915A - Toning lotion and preparation method thereof - Google Patents
Toning lotion and preparation method thereof Download PDFInfo
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- CN114557915A CN114557915A CN202210287276.7A CN202210287276A CN114557915A CN 114557915 A CN114557915 A CN 114557915A CN 202210287276 A CN202210287276 A CN 202210287276A CN 114557915 A CN114557915 A CN 114557915A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/007—Preparations for dry skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/08—Anti-ageing preparations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/592—Mixtures of compounds complementing their respective functions
- A61K2800/5922—At least two compounds being classified in the same subclass of A61K8/18
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Abstract
The application relates to the technical field of cosmetics, and provides a toning lotion which comprises 79-99.8% of acidic buffer solution, 0.001-20% of alcohol substances and 0.001-1% of agar, wherein the total weight of the toning lotion is 100%; wherein the acidic buffer solution comprises hydroxy acid and water, and the acidic buffer solution also comprises at least one of hydroxy acid salt and pH regulator. According to the toning lotion provided by the application, the hydroxy acid contained in the acidic buffer solution has moisture retention, oxidation resistance and film forming property, an acidification film can be formed on the surface of the skin to maintain the acidity of the surface of the skin, and meanwhile, the hydroxy acid can form the acidic buffer solution with at least one of hydroxy acid salt and pH regulator, so that the toning lotion has acid-base buffering capacity and can buffer the change of pH value on the surface of the skin in the skin metabolic process or under acid-base stress, thereby correcting the pH value deviation on the surface of the skin, recovering the acidic environment of the skin and resetting the barrier function of the skin.
Description
Technical Field
The application belongs to the technical field of cosmetics, and particularly relates to toning lotion and a preparation method thereof.
Background
Early vertebrate animals in humans, ancestral to the beginning of terrestrial life, were first adapted to the new environment hundreds of millions of years ago, relying primarily on improving the barrier function of the skin. The complex structure and the physicochemical property of the human skin enable the horny layer to become an outermost layer effective defense line for resisting exogenous factors by an epidermal barrier, thereby maintaining the stability of the in vivo environment. Outside and prior to the stratum corneum, facing environmental challenges, is a chemical barrier, called a "super-acidified membrane," that maintains the acidity of the skin, i.e., maintains the pH of the skin epidermis in the 4-6 range, buffering acid and base damage. Furthermore, an acidic environment is a prerequisite for the formation of skin barrier proteins and lipids. The integrity, adhesiveness and microbial balance of the stratum corneum are all dependent on the acidic environment of the skin surface. And in an acidic environment, the skin hydration degree is higher, and desquamation and the like are less caused.
However, cosmetics, detergents, tap water, etc. have a great influence on the pH of the skin surface. Tap water having a pH of about 8.0 raises the pH of the skin surface and requires at least 6 hours to restore the pH to 5.0. There is also ample evidence that various pathological skin conditions can raise the pH of the skin, such as atopic dermatitis, irritant contact dermatitis, eczema, ichthyosis, acne, and the like. The pH of the skin of the elderly also rises with concomitant dryness of the skin.
The pH value of the current commercially available cosmetic formula is mainly alkaline (pH is 7-9), only a few cosmetics present an acidic formula, but the current cosmetic formula does not have buffering capacity, and the aim of correcting the pH deviation of the skin cannot be achieved. Therefore, there is a need to develop a lotion capable of correcting pH shift on the skin surface.
Disclosure of Invention
The application aims to provide a toning lotion and a preparation method thereof, and aims to solve the problem that the existing toning lotion cannot correct the pH deviation of the skin surface under acidic or alkaline conditions.
In order to achieve the purpose of the application, the technical scheme adopted by the application is as follows:
in a first aspect, the present application provides a lotion, comprising the following components in percentage by weight, based on the total weight of the lotion taken as 100%:
acid buffer solution 79-99.8%
Alcohol 0.001-20%
0.001-1% of agar;
wherein the acidic buffer solution comprises hydroxy acid and water, and the acidic buffer solution also comprises at least one of hydroxy acid salt and pH regulator.
In a second aspect, the present application provides a method for preparing a lotion, comprising the steps of:
providing an acidic buffer solution, an alcohol substance and agar;
mixing acidic buffer solution, alcohol substance and agar to obtain cosmetic water.
Compared with the prior art, the method has the following technical effects:
according to the cosmetic water provided by the first aspect of the application, the hydroxy acid contained in the acidic buffer solution has moisture retention, oxidation resistance and film forming property, can form an acidified film on the surface of the skin to maintain the acidity of the surface of the skin, and simultaneously can form the acidic buffer solution with at least one of hydroxy acid salt and pH regulator. The cosmetic water contains 79-99.8% of acidic buffer solution, so that the cosmetic water has acid-base buffering capacity, and can buffer pH value changes on the surface of the skin in the skin metabolic process or under acid-base stress, thereby correcting the pH value deviation on the surface of the skin, recovering the acidic environment of the skin and resetting the barrier function of the skin. Contains 0.001-1% of agar and 0.001-20% of alcohol, and has good water holding capacity and moisturizing effect, and can be used in combination with acidic buffer solution to improve skin hydration degree, improve skin dryness and reduce desquamation. In addition, the agar can control the viscosity of the lotion and improve the skin touch.
According to the preparation method of the toning lotion, the acidic buffer solution, the alcohol substance and the agar are mixed to obtain the toning lotion, the preparation process is simple, special equipment is not needed, and the production cost is low.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a flow chart of the preparation of a method of preparing a lotion provided in the examples of the present application;
FIG. 2 is a graph of skin pH as a function of time before and after topical application of the lotion provided in example 1 of the present application to the skin of a subject.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application more clearly apparent, the present application is further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In this application, the term "and/or" describes an association relationship of associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a is present alone, A and B are present simultaneously, and B is present alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
In the present application, "at least one" means one or more, "a plurality" means two or more. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, "at least one (a), b, or c", or "at least one (a), b, and c", may each represent: a, b, c, a-b (i.e., a and b), a-c, b-c, or a-b-c, wherein a, b, and c may be single or plural, respectively.
It should be understood that, in various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, some or all of the steps may be executed in parallel or executed sequentially, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The weight of the related components mentioned in the description of the embodiments of the present application may not only refer to the specific content of each component, but also represent the proportional relationship of the weight among the components, and therefore, the content of the related components is scaled up or down within the scope disclosed in the description of the embodiments of the present application as long as it is scaled up or down according to the description of the embodiments of the present application. Specifically, the mass described in the specification of the embodiments of the present application may be a mass unit known in the chemical industry field such as μ g, mg, g, kg, etc.
The terms "first" and "second" are used for descriptive purposes only and are used for distinguishing purposes such as substances from one another, and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. For example, a first XX may also be referred to as a second XX, and similarly, a second XX may also be referred to as a first XX, without departing from the scope of embodiments of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In a first aspect, the embodiments of the present application provide a lotion, which comprises the following components in percentage by weight, based on the total weight of the lotion as 100%:
acid buffer solution 79-99.8%
Alcohol 0.001-20%
0.001-1% of agar;
wherein the acidic buffer solution comprises hydroxy acid and water, and the acidic buffer solution also comprises at least one of hydroxy acid salt and pH regulator.
According to the cosmetic water provided by the embodiment of the application, the hydroxy acid contained in the acidic buffer solution has moisture retention, oxidation resistance and film forming property, can form an acidified film on the surface of skin to maintain the acidity of the surface of the skin, and can form the acidic buffer solution with at least one of hydroxy acid salt and pH regulator. The cosmetic water contains 79-99.8% of acidic buffer solution, so that the cosmetic water has acid-base buffering capacity, and can buffer pH value changes on the surface of the skin in the skin metabolic process or under acid-base stress, thereby correcting the pH value deviation on the surface of the skin, recovering the acidic environment of the skin and resetting the barrier function of the skin. Contains 0.001-1% of agar and 0.001-20% of alcohol, and has good water holding capacity and moisturizing effect, and can be used in combination with acidic buffer solution to improve skin hydration degree, improve skin dryness and reduce desquamation. In addition, the agar can control the viscosity of the lotion and improve the skin touch.
In a particular embodiment, the acidic buffer may include a hydroxy acid, a pH adjuster, and water. The hydroxy acid is a compound containing both hydroxyl (-OH) and carboxyl (-COOH), and hydrogen in the carboxyl is easy to ionize, so that the hydroxy acid is acidic. The hydroxy acid contained in the acidic buffer solution has OH group neutralizing effect when the skin epidermis is at increased pH or alkalinized under physiological or pathological conditions-Water and hydroxy acid salt are formed, and the product is the original component in the acidic buffer solution. The pH regulator contained in the acidic buffer solution has a neutralizing effect on the pH of the skin when the skin epidermis is lowered or acidified+Water and hydroxy acid salt are formed, and the product is still the original component of the acid buffer. Therefore, the acidic buffer solution has the capability of resisting the increase or decrease of the pH value of the skin surface, so that the cosmetic water containing the acidic buffer solution in the embodiment resists the change of the pH value on the skin surface, corrects the pH value deviation on the skin surface and keeps the pH value on the skin surface stable.
In another specific embodiment, the acidic buffer may include a hydroxy acid, a hydroxy acid salt, and water. The hydroxy acid, hydroxy acid salt and water can be formulated to form an acidic buffer solution in which the hydroxy acid has a neutral OH group when the skin epidermis is at an elevated pH or is made alkaline in physiological or pathological conditions-Water and hydroxy acid salt are formed, and the product is the original component in the acidic buffer solution. When the skin epidermis shows a reduced pH or is acidifiedThe hydroxy acid salt in the acidic buffer solution has a neutralization H+The hydroxy acid is formed, and the product is still the original component of the acidic buffer. Therefore, the acidic buffer solution has a buffering effect on acid and alkali and has the capability of resisting the increase or decrease of the pH value of the skin surface, so that the cosmetic water containing the acidic buffer solution provided by the embodiment has the capability of resisting the change of the pH value on the skin surface, the pH value deviation on the skin surface can be corrected, and the pH value on the skin surface is kept stable.
In another particular embodiment, the acidic buffer may include a hydroxy acid, a hydroxy acid salt, a pH adjusting agent, and water. The hydroxy acid, hydroxy acid salt, pH regulator and water can be formulated to form an acidic buffer solution in which the hydroxy acid has OH group neutralizing activity when the skin epidermis is at an elevated pH or is made alkaline under physiological or pathological conditions-Water and hydroxy acid salt are formed, and the product is the original component in the acidic buffer solution. When the skin epidermis is reduced in pH value or acidified, the hydroxy acid salt and the pH regulator contained in the acidic buffer solution have neutralization H+To form hydroxy acid or hydroxy acid salt, the product of which is still the original component of the acidic buffer. Therefore, the acidic buffer solution has a buffering effect on acid and alkali and has the capability of resisting the increase or decrease of the pH value of the skin surface, so that the cosmetic water containing the acidic buffer solution provided by the embodiment has the capability of resisting the change of the pH value on the skin surface, the pH value deviation on the skin surface can be corrected, and the pH value on the skin surface is kept stable.
In the embodiment, in the acidic buffer solution, the hydroxy acid and the hydroxy acid salt account for 0.1-30% of the toning lotion by mass, the pH regulator accounts for 0.001-10% of the toning lotion by mass, and the water accounts for 50-90% of the toning lotion by mass. In the range of the hydroxy acid, the hydroxy acid salt, the pH regulator and the water accounting for the weight percentage of the toning lotion, the hydroxy acid salt and the pH regulator can form an acidic buffer solution, and can be used for correcting the pH value deviation of the skin surface. The proportion of the hydroxy acid, the hydroxy acid salt, the pH regulator and the water can be regulated according to the actual efficacy of the toning lotion. In a specific embodiment, the content of the hydroxy acid and the hydroxy acid salt in the lotion can be, but is not limited to, 0.1%, 1%, 5%, 10%, 15%, 20%, 25%, and 30% by weight. The content of the pH regulator in the astringent may be, but not limited to, 0.001%, 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10% by mass. The water accounts for 50%, 60%, 70%, 80% and 90% of the toning lotion by mass.
In the examples, the pH of the lotion is 4 to 6. Within the pH value range of the toning lotion provided by the embodiment, the skin can be kept acidic, and the erosion of exogenous factors can be resisted, so that the internal environment is kept stable. The pH value of the toning lotion can be specifically adjusted according to the application efficacy of the toning lotion. If the lotion is only used as a buffer system, the pH value of the lotion can be adjusted to 4-6 by adjusting the proportion of hydroxy acid, hydroxy acid salt, pH regulator and water in the acidic buffer solution, so that the pH value of the lotion is consistent with the pH value of the skin surface. If the lotion only needs to have the exfoliating effect, the pH value of the lotion can be adjusted to be 4 by adjusting the proportion of the hydroxy acid, the hydroxy acid salt, the pH regulator and the water in the acidic buffer solution, so that the lotion can exert the exfoliating effect.
In an embodiment, the hydroxy acid comprises at least one of a polyhydroxy acid, an alpha hydroxy acid, and a beta hydroxy acid. Wherein the polyhydroxy acid comprises at least one of gluconolactone and lactobionic acid. Alpha-hydroxy acids refer to carboxylic acids in which the hydrogen in the alpha-carbon position is replaced by a hydroxyl group; the alpha-hydroxy acid comprises at least one of tartaric acid, glycolic acid, malic acid, lactic acid and citric acid. In particular embodiments, the alpha-hydroxy acid may include tartaric acid, glycolic acid, malic acid, lactic acid, citric acid, and the total percentage of tartaric acid, glycolic acid, malic acid, lactic acid, citric acid does not exceed 6%. The beta-hydroxy acid may be salicylic acid, and the percentage of salicylic acid is not more than 2%. The hydroxy acid has moisture keeping, oxidation resistance and film forming properties, can form an acidic buffer solution with at least one of the hydroxy acid salt and the pH regulator, can make the pH value of the cosmetic water consistent with that of the skin, can form an acidified film on the surface of the skin, can maintain or restore the acidity of the surface of the skin, and can make the skin have a barrier function, thereby improving the acid-base buffer capacity and the hydration capacity of the skin. In a specific example, the hydroxy acid may be a polyhydroxy acid, an α -hydroxy acid, a β -hydroxy acid, a polyhydroxy acid, an α -hydroxy acid, or a β -hydroxy acid.
In an embodiment, the hydroxy acid salt comprises at least one of a polyhydroxy acid salt, an alpha-hydroxy acid salt, and a beta-hydroxy acid salt. Wherein, the polyhydroxy acid salt, the alpha-hydroxy acid salt and the beta-hydroxy acid salt respectively and independently comprise any one of sodium salt, potassium salt, calcium salt, magnesium salt and ammonium salt. The hydroxy acid salt can form an acidic buffer with the hydroxy acid, and can form a buffer system on the skin surface to resist the change of pH value on the skin surface.
In an embodiment, the pH adjuster comprises at least one of sodium hydroxide, potassium hydroxide, ammonium hydroxide, magnesium hydroxide, lithium hydroxide, calcium hydroxide. In a specific embodiment, the pH regulator is sodium hydroxide, and the mass percentage of the sodium hydroxide is less than 5% of the total mass of the toning lotion. The sodium hydroxide can form an acidic buffer solution with hydroxy acid, so that the lotion has acid-base buffering capacity. In other specific embodiments, the pH regulator is potassium hydroxide, and the mass percentage of the potassium hydroxide is less than 5% of the total mass of the lotion. The potassium hydroxide can be used as an acidic buffer to provide the lotion with acid-base buffering capacity. In other specific embodiments, the pH regulator is ammonium hydroxide, and the mass percentage of the ammonium hydroxide is less than 6% of the total mass of the lotion. The ammonium hydroxide can form an acidic buffer solution with hydroxy acid, so that the lotion has acid-base buffering capacity. In other specific embodiments, the pH regulator is calcium hydroxide, and the mass percentage of the calcium hydroxide is less than 7% of the total mass of the lotion. The calcium hydroxide can be used as acidic acid to form acidic buffer solution, so that the cosmetic water has acid-base buffering capacity. In other specific embodiments, the pH regulator is lithium hydroxide, and the mass percentage of the lithium hydroxide is less than 4.5% of the total mass of the lotion. Lithium hydroxide can form an acidic buffer solution with hydroxy acid, so that the lotion has acid-base buffering capacity. In other specific embodiments, the pH regulator comprises sodium hydroxide, potassium hydroxide, and ammonium hydroxide, and the total mass percentage of the sodium hydroxide, the potassium hydroxide, and the ammonium hydroxide is less than 7% of the total mass of the astringent. The sodium hydroxide, potassium hydroxide, ammonium hydroxide can form an acidic buffer solution with hydroxy acid, so that the cosmetic water has acid-base buffering capacity to resist the change of pH value on the skin surface, thereby correcting the pH value shift on the skin surface and maintaining the normal pH value on the skin surface.
In the examples, the lotion contains 0.001-20% of alcohol. The alcohol substance has solubilization effect on other components of the lotion, and can increase skin feeling of the lotion, and make the lotion more refreshing and ductile. In addition, the alcohol substance also has better cleaning capability, can remove oil stains and old waste keratinocytes on the surface of the skin and accelerate the shedding. Within the percentage content range of the alcohol substances provided by the embodiment of the application, the cleaning capability and the use feeling of the toning lotion can be optimized. Specifically, the percentage of the alcohol may be, but is not limited to, 0.001%, 1%, 3%, 5%, 7%, 10%, 13%, 16%, 18%, 20%.
In a specific embodiment, the alcohol includes at least one of dipropylene glycol, propanol, isopropanol, propylene glycol, 1, 3-propanediol, glycerol, diglycerol, 1, 2-butanediol, 1, 4-butanediol, 2, 3-butanediol, 1, 2-pentanediol, 1, 5-pentanediol, diethylene glycol, triethylene glycol, 1, 2-hexanediol, 1, 6-hexanediol, nonanediol, 1, 9-nonanediol, xylitol, lactitol, octanediol, pentanediol, ethanol, ethylene glycol, and denatured ethanol. Wherein, the denatured ethanol can include but is not limited to at least one of SD ethanol 38-B, SD ethanol 38-C, SD ethanol 39-C, SD ethanol 40, SD ethanol 40-A, SD ethanol 40-B. In other specific embodiments, the alcohol may include propylene glycol, 1, 3-butanediol, glycerol; alcohols may also include dipropylene glycol; the alcohol may also include 1,2 pentanediol.
In the examples, the lotion contains 0.001-1% agar. The agar has good moisture keeping effect, and can improve skin dryness. In addition, the viscosity of the product can be controlled, and the use feeling can be improved. Within the range of the agar content provided by the embodiment of the application, the moisturizing effect and viscosity of the toning lotion can be optimized. Specifically, the content of agar may be, but not limited to, 0.001%, 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%.
In a specific embodiment, the agar comprises at least one of trehalose, brown algae polysaccharide, red algae polysaccharide, blue algae polysaccharide, green algae polysaccharide, fucosan, agarose, carrageenan, spirulina polysaccharide, ulva polysaccharide, glycosyl trehalose, fucose, algae oligosaccharide, and alginic acid. In another specific embodiment, the agar may further comprise at least one of calcium alginate, potassium alginate, sodium alginate sulfate, hydrolyzed algin, polysaccharides, powders and extracts of gelidium amansii, calcium carrageenan, sodium carrageenan, lactobacillus/algae extract fermentation products, chlorella/lupin protein fermentation products, chlorella fermentation products, porphyridium/zinc fermentation products, kelp extracts. In another specific embodiment, the agar may further comprise Austenoalgae, Bonnate Spirulina, Porphyridium, Fucus serratus, Pinus spinosa, Zostera marina, Megasphaera blanca, Blastoma sp, Padina pavonica, Chlorella pumila, Cladosiphon okamurensis, Phaeophyceae, Phaeophyta, Rhodophyta, Chlorella, cyanobacteria, blue-green algae, Chlamydomonas, Spirulina, coral algae, Chlorella infirmidis, Macrocystis, Cladosporium, Aphanizomenon, Dunaliella Mellea, Aureobasidioides, Pleurospora patens, Sargassum vulgaris, Rhodophyta vermicularis, Pinus tomentosa, Phaeodactylum tricornutum, Codium chinense, Anabaena elongatum, Laurena microphyllum, Gymnocharis sp, Gymnodinaria, Euglena lanciformis, Dunalia salina, Pseudocercospora, Pachyrhynchophyta, Haematococcus, Haemaria, Pachyta, Haematococcus, Palmaria tenuis, Haemaria tenuis, Haemaria tenuis, and Haemaria tenuipes, Phaeophysalicornutus, Phaeocharum kayata, etc, At least one polysaccharide extract of skeletonema costatum, skeletonema procumbens, porphyridium, dacystis capsulatum, Scenedesmus obliquus, Scenedesmus subfamily, Kjellmaniella crassifolia, Scenedesmus elongatus, Aphanizomenon flos aquae, Chlamydomonas reinhardtii, Pleuroptera pterides, Schizochyta alvarum, Gloiopeltis Furcata, Arthrospira maxima, Arthrospira annulata, Arthrospira lata, Nanoplophora oculata, Nanopyropsis elongatus, Coccomys elongata, and Codonopsis longissima.
In embodiments, the lotion further comprises a skin conditioning agent; wherein the skin conditioner comprises at least one of vitamins, inositol, creatine, carnosine, and carnitine. In particular embodiments, the skin conditioning agent may include vitamins, may also include inositol, may also include vitamins, inositol, creatine, may also include inositol, creatine, carnosine, carnitine. Because the astringent provided by the embodiment of the application has the characteristic of stability to acid, alkali and electrolyte, one or more skin conditioners provided by the embodiment can be added into the astringent according to the actual application effect, so that the astringent with the effect of correcting the pH value deviation of the skin surface and further with the skin care effect is prepared.
In a second aspect, embodiments of the present application provide a method for preparing a lotion, comprising the steps of:
s10: providing an acidic buffer solution, an alcohol substance and agar;
s20: mixing acidic buffer solution, alcohol substance and agar to obtain cosmetic water.
According to the preparation method of the toning lotion, the acidic buffer solution, the alcohol substance and the agar are mixed to obtain the toning lotion, the preparation process is simple, special equipment is not needed, and the production cost is low.
In step S10, the method for preparing the acidic buffer solution may be: mixing hydroxy acid, pH regulator and water to obtain acidic buffer solution. The method for preparing the acidic buffer solution can also comprise the following steps: and mixing hydroxy acid, hydroxy acid salt, a pH regulator and water to obtain the acidic buffer solution. The method for preparing the acidic buffer solution can also comprise the following steps: and mixing hydroxy acid, hydroxy acid salt and water to obtain the acidic buffer solution.
In step S20, the method for mixing the acidic buffer, the alcohol and the agar includes: adding alcohol substance and agar into acidic buffer solution in sequence, heating, and stirring. Wherein the heating temperature is 60-80 ℃, the stirring speed is 1000-2500 rpm, and the stirring time is 5-15 min.
In an embodiment, the method for preparing a lotion further comprises the steps of:
s30: after cooling the cosmetic water obtained in step S20 to a temperature lower than 35 ℃, the skin conditioner is added to the cosmetic water and stirred uniformly. Wherein the stirring speed is 300-500 rpm.
The following description will be given with reference to specific examples.
Example 1
The embodiment provides toning lotion and a preparation method thereof.
The toning lotion comprises the following components in percentage by weight:
the preparation method of the toning lotion comprises the following steps:
s10: mixing gluconolactone, sodium gluconate, sodium hydroxide and water to obtain an acidic buffer solution;
s20: adding dipropylene glycol and agar into an acidic buffer solution, magnetically stirring and heating to 80 ℃ to obtain agar gel;
s30: adding nicotinamide, inositol and carnitine into agar gel at 35 deg.C, and stirring to obtain cosmetic lotion.
Example 2
The embodiment provides toning lotion and a preparation method thereof.
The toning lotion comprises the following components in percentage by weight:
the difference between the preparation method of the toning lotion provided by the embodiment and the embodiment 1 is that, S10: mixing gluconolactone, sodium gluconate and water to obtain an acidic buffer solution;
example 3
The embodiment provides toning lotion and a preparation method thereof.
The toning lotion comprises the following components in percentage by weight:
the difference between the method for preparing a cosmetic lotion provided in this example and example 1 is that S10: mixing gluconolactone, sodium hydroxide and water to obtain an acidic buffer solution;
example 4
The embodiment provides toning lotion and a preparation method thereof.
The toning lotion comprises the following components in percentage by weight:
the method for preparing a cosmetic lotion according to this example can be referred to in example 3.
Example 5
The embodiment provides toning lotion and a preparation method thereof.
The toning lotion comprises the following components in percentage by weight:
the preparation method of the toning lotion provided by the embodiment can refer to the embodiment 3.
The lotion test provided herein:
subject: 5 researchers, age 22-58 years old, mainly indoor work, without a large amount of exposure history, without history of light sensitive diseases; the measurement site is free of skin disorders, pigmentation, scarring or systemic diseases that may affect the skin.
Test materials: 200ml of the toning lotion provided in example 1 of the present application was taken, and the pH value of the toning lotion was 4.0.
Test equipment: skin surface pH value tester (model PH 220).
The test method comprises the following steps: the pH value of the skin is measured by a direct method. With 5 researchers in the laboratory as subjects, 2cm × 2cm pieces of skin were selected as test areas and labeled at the same positions on the inner sides of the forearms of the subjects, the skin surface pH values before and after topical application of the skin lotion were measured, and the skin pH values 30 minutes before application (recorded as 0 hour), 3, 6, 9, 18, 24 and 36 hours after application were recorded, respectively, and the average values of the 5 subjects were taken as the recording results, as shown in table 1 below, and the data of the recording results are plotted as shown in fig. 1.
TABLE 1
Table 1 shows the change of pH value of the skin before and after topical application of the skin lotion with time. FIG. 1 is a graph showing the change of pH value of the skin with time before and after topical application of a cosmetic liquid to the skin. As can be seen from table 1 and fig. 1: the pH of the skin surface continued to drop and was maintained between 4-6 for the first 3 hours after topical application of the lotion to the skin of all subjects. After external application for 3 hours, the pH value is gradually increased and still maintained between the inherent physiological pH values of the skin (pH is 4-6), and the maintenance time can be as long as 36 hours. Therefore, experimental data show that the toning lotion provided by the application has a buffering effect on acid and alkali, can resist the change of pH value on the surface of skin, can correct the pH value deviation on the surface of the skin, and can keep the pH value on the surface of the skin within the inherent physiological pH value of the skin.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The toning lotion is characterized by comprising the following components in percentage by weight based on the total weight of the toning lotion as 100 percent:
acid buffer solution 79-99.8%
Alcohol 0.001-20%
0.001-1% of agar;
wherein the acidic buffer comprises hydroxy acid and water, and the acidic buffer further comprises at least one of hydroxy acid salt and pH regulator.
2. The lotion according to claim 1, wherein the hydroxy acid and the hydroxy acid salt are contained in the acidic buffer in an amount of 0.1 to 30% by mass, the pH adjustor is contained in an amount of 0.001 to 10% by mass, and the water is contained in an amount of 50 to 90% by mass.
3. The lotion of claim 2, further comprising a skin conditioner;
wherein the skin conditioning agent comprises at least one of vitamins, inositol, creatine, carnosine, and carnitine.
4. The lotion according to any one of claims 1-3, wherein the hydroxy acid comprises at least one of a polyhydroxy acid, an alpha hydroxy acid, a beta hydroxy acid; and/or
The hydroxy acid salt comprises at least one of polyhydroxy acid salt, alpha-hydroxy acid salt and beta-hydroxy acid salt;
wherein the polyhydroxy acid salt, the alpha-hydroxy acid salt and the beta-hydroxy acid salt respectively and independently comprise any one of sodium salt, potassium salt, calcium salt, magnesium salt and ammonium salt.
5. The lotion of claim 4, wherein the polyhydroxy acid comprises at least one of gluconolactone, lactobionic acid;
the alpha-hydroxy acid comprises at least one of tartaric acid, glycolic acid, malic acid, lactic acid and citric acid;
the beta-hydroxy acid is salicylic acid.
6. The astringent of any one of claims 1-3 and 5, wherein the pH regulator comprises at least one of sodium hydroxide, potassium hydroxide, ammonium hydroxide, magnesium hydroxide, lithium hydroxide and calcium hydroxide.
7. The lotion according to any one of claims 1 to 3 and 5, wherein the alcohol comprises at least one of dipropylene glycol, propanol, isopropanol, propylene glycol, 1, 3-propanediol, glycerin, diglycerin, 1, 2-butanediol, 1, 4-butanediol, 2, 3-butanediol, 1, 2-pentanediol, 1, 5-pentanediol, diethylene glycol, triethylene glycol, 1, 2-hexanediol, 1, 6-hexanediol, nonanediol, 1, 9-nonanediol, xylitol, lactitol, octanediol, pentanediol, ethanol, ethylene glycol, and denatured ethanol.
8. The lotion according to any one of claims 1-3, 5, wherein the agar comprises at least one of trehalose, brown algae polysaccharide, red algae polysaccharide, blue algae polysaccharide, green algae polysaccharide, fucan, agaropectin, carrageenan, spirulina polysaccharide, ulvan polysaccharide, glycosyl trehalose, fucose, algal oligosaccharides, alginic acid.
9. The astringent according to any one of claims 1 to 3 and 5, wherein the astringent has a pH value of 4 to 6.
10. A method for preparing a lotion according to any one of claims 1 to 9, comprising the steps of:
providing the acidic buffer, the alcohol, and the agar;
and mixing the acidic buffer solution, the alcohol substance and the agar to obtain the toning lotion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210287276.7A CN114557915A (en) | 2022-03-23 | 2022-03-23 | Toning lotion and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115957147A (en) * | 2022-12-29 | 2023-04-14 | 羽楠(广州)化妆品有限公司 | Algae composition with anti-wrinkle effect and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104337705A (en) * | 2013-08-02 | 2015-02-11 | Cnp化妆品株式会社 | Cosmetic composition containing gluconolactone and lactobionic acid |
| CN104688617A (en) * | 2013-12-04 | 2015-06-10 | Cnp化妆品有限公司 | A cosmetic composition with excellent controlling and maintaining ph of skin |
| CN107427429A (en) * | 2015-03-13 | 2017-12-01 | 株式会社Lg生活健康 | Emulsified cosmetic preparation composition with pH buffer systems |
| CN113081901A (en) * | 2021-04-06 | 2021-07-09 | 伊美莱(广州)医疗技术有限公司 | Multifunctional weakly-acidic facial cleanser and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337705A (en) * | 2013-08-02 | 2015-02-11 | Cnp化妆品株式会社 | Cosmetic composition containing gluconolactone and lactobionic acid |
| CN104688617A (en) * | 2013-12-04 | 2015-06-10 | Cnp化妆品有限公司 | A cosmetic composition with excellent controlling and maintaining ph of skin |
| CN107427429A (en) * | 2015-03-13 | 2017-12-01 | 株式会社Lg生活健康 | Emulsified cosmetic preparation composition with pH buffer systems |
| CN113081901A (en) * | 2021-04-06 | 2021-07-09 | 伊美莱(广州)医疗技术有限公司 | Multifunctional weakly-acidic facial cleanser and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115957147A (en) * | 2022-12-29 | 2023-04-14 | 羽楠(广州)化妆品有限公司 | Algae composition with anti-wrinkle effect and preparation method and application thereof |
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