JPH10287524A - Solubilized cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject cosmetic having excellent solubilization stability with time and giving tack-free feeling to the skin by solubilizing a scarcely water-soluble perfume, drug or oil with a specific solubilizing agent. SOLUTION: The objective cosmetic is produced by compounding (A) a scarcely water-soluble perfume, drug or oil with (B) a solubilizing agent consisting of (i) an alkyl-modified carboxyvinyl polymer (e.g. acrylic acid-alkyl methacrylate copolymer) and (ii) marronnier extract (powder) and optionally (C) a powdery component, humectant, thickener, organic solvent, vitamins, various drugs, natural extract, colorant, perfume, etc. The marronnier extract is produced by extracting the fruit or leaf of marronnier with a solvent and the marronnier extract powder is produced by drying and pulverizing the ethanol extract of marronnier seed. The amounts of the components (i) and (ii) in the cosmetic are preferably 0.0001-1 wt.% and 0.001-5 wt.%, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a solubilized cosmetic, and more particularly to a solubilized cosmetic having excellent long-term stability without using a surfactant and having a non-sticky feeling.

[0002]

2. Description of the Related Art Conventionally, cosmetics in which fragrances, drugs or oils which are hardly soluble in water are solubilized have been widely used. In order to obtain such a cosmetic, it has been essential to use a surfactant in order to guarantee the stability of the cosmetic over time.

[0003] In recent years, however, further safety has been expected for cosmetics, and from this viewpoint, the formulation of a surfactant may be a problem. Therefore, a method of obtaining a solubilized cosmetic without using a surfactant has also been proposed (Japanese Patent Application Laid-Open No. 2-196709).

[0004]

However, this solubilized cosmetic is not always satisfactory in terms of the long-term stability of solubilization, and is not satisfactory in terms of usability in terms of stickiness. Did not.

Accordingly, the present inventors have conducted various studies to solve the above-mentioned problems, and as a result, by blending the alkyl-modified carboxyvinyl polymer with maronier extract and / or malonie extract powder, the long-term stability of solubilization has been improved. The inventor found that the usability was improved, and completed the present invention.

[0006] That is, an object of the present invention is to provide a solubilized cosmetic having good solubilization stability over time and a non-sticky feeling without using a surfactant.

[0007]

Means for Solving the Problems The solubilized cosmetic of the present invention is a solubilized cosmetic comprising an alkyl-modified carboxyvinyl polymer and malonie extract and / or malonie extract powder.

Further, it is characterized in that it contains substantially no surfactant.

It is preferable that the amount of the alkyl-modified carboxyvinyl polymer is 0.0001 to 1% by weight. Further, it is preferable that the compounding amount of the marronnier extract or the marronnier extract powder is 0.001 to 5% by weight.

The water-insoluble fragrance, drug or oil used in the present invention refers to those that are substantially insoluble or slightly soluble in water. Examples include macadamia nut oil, evening primrose oil, olive oil, mink oil, jojoba oil, lanolin, squalane avocado oil, corn oil, rapeseed oil, castor oil, sunflower oil, teaseed oil, rice bran oil, cacao oil, coconut oil, Natural animal and vegetable fats and oils such as squalene, beef tallow, mokuro, beeswax, candelilla wax, spermaceti, waxes such as liquid paraffin, paraffin wax, carnauba wax, cetanol, isocetanol, stearyl alcohol, isostearyl alcohol, caprylic alcohol, lauryl alcohol , Higher alcohols such as myristyl alcohol, cholesterol, sterols such as phytosterols, myristic acid,
Higher fatty acids such as palmitic acid, stearic acid, behenic acid, isostearic acid, oleic acid, linolenic acid, linoleic acid, linoleic acid, oxyacid, capric acid, lauric acid, lanolin fatty acid, isopropyl myristate,
Esters such as isopropyl palmitic acid, isopropyl isostearic acid, glyceryl 2-ethylhexanoate, cetyl ethylhexanoate, and glyceryl monooleate; other diethylene glycol monopropyl ether; polyoxyethylene polyoxypropylene pentaerythritol ether; polyoxypropylene butyl ether; Polar oils such as oil, ceresin, petrolatum, polyoxyethylene (8 mol) oleyl alcohol ether, pentaerythritol ethylhexanoate, and ethyl linoleate, silicone oils, vitamins A, vitamin Ds, α-tocopherol, β-tocopherol, γ-
Tocopherols, vitamin Es such as vitamin E nicotinate, tocopherol acetate, vitamins such as ascorbic acid ester and vitamin-like active substances such as γ-oryzanol, folic acid, benzoic acid, estradiol, estradiol valerate, ethinyl estradiol, prostaglandin, Hormones such as testosterone probionate, benzophenone, 4-t-butyl-4'-methoxy-dibenzoylmethane, glyceryl ethyl hexanoate dimethoxycinnamate, p-aminobenzoic acid, p-aminobenzoic acid ester, p-methoxycinnamic acid UV absorbers such as octyl and phenyl salicylate, L-menthol,
Antiphlogistics such as camphor, preservatives such as ethylparaben, propylparaben, and butylparaben; bactericides such as glycyrrhetinic acid, triclosan, and dibutylhydroxytoluene; In addition, linalool, linalool acetate, limonene, citrol, methylionone benzyl acetate, methyl dehydrojasmonate, phenylethyl alcohol,
Musk ketone, sandalol, α-hexylcinnamic aldehyde, TEC, citronellol, crude drugs and the like.

The properties of these components that are hardly soluble in water may be liquid or crystalline, and may be single or a mixture of two or more.

The alkyl-modified carboxyvinyl polymer used in the present invention is an alkyl acrylate alkyl methacrylate copolymer, for example, Carbopol 1
342, Pemulen TR-1 and Pemulen TR-2 (manufactured by BF Goodrich) are known.

The compounding amount of the alkyl-modified carboxyvinyl polymer is preferably 0.0001 to 1% by weight, more preferably 0.001 to 0.5% by weight in the solubilized cosmetic. If it is less than 0.0001% by weight, it is difficult to solubilize, and if it exceeds 1% by weight, it is not preferable because it becomes sticky in terms of usability. 0.00 in terms of solubilizing power and usability
Most preferred is a range of 1-0.5% by weight.

It is to be noted that carboxyvinyl polymers usually used as a thickener (for example, Carbopol (Carbpol))
opol) 941 (manufactured by BF Goodrich) and Hibiswako 105 (manufactured by Wako Pure Chemical Industries) cannot be solubilized.

The horse chestnut is horse chestnut native to the Balkan Peninsula. The horse chestnut extract used in the present invention refers to the fruit or leaves of horse chestnut, which is composed of propylene glycol, 1,3
-Butylene glycol purified water, obtained by extraction with ethanol, etc., and the Marronnier extract powder, the extract obtained by extracting the seeds of Malonier with ethanol, dried,
It is powdered. These compounding amounts are 0.001
~ 5% by weight is suitable.

In the cosmetic of the present invention, in addition to the above essential components, other components usually used for cosmetics, pharmaceuticals and the like can be blended within a range not to impair the effects of the present invention. For example, powder components such as titanium dioxide, mica and talc, homomenthyl-7N-acetylarantranilate, butylmethoxybenzoylmethane, glyceryl di-paramethoxycinnamate-mono-2-ethylhexanoate, amyl salicylate, octyl cinnamate 2,4-dihydroxybenzophenone, sodium hydroxymethoxybenzophenonesulfonate, diparamethoxycinnamic acid mono-
UV absorbers such as glyceryl 2-ethylhexanoate and methylbis (trimethylsiloxy) silyl isopentyl trimethoxycinnamate; humectants such as polyethylene glycol, glycerin, sorbitol, xylitol, maltitol, hyaluronic acid and salts and derivatives thereof; Thickeners such as methylcellulose, ethylcellulose, gum arabic, xanthan gum, carboxyvinyl polymer, polyvinyl alcohol, montmorillonite, and laponite; organic solvents such as ethanol and 1,3-butylene glycol; Agent, benzoic acid, salicylic acid, sorbic acid,
Antibacterial preservatives such as alkyl paraoxybenzoate (ethylparaben, butylparaben, etc.), hexachlorophene, glycine, alanine, valine leucine, serine, threonine, phenylalanine, tyrosine, asparagine aspartate, glutamine, taurine, arginine, histidine, etc. Amino acids and their alkali metal salts and hydrochlorides, acyl sarcosine acids (for example, sodium lauroylmethyl sarcosine), organic acids such as glutathione, malic acid, tartaric acid, vitamin B ₆ hydrochloride, vitamin B ₆ tripalmitate, vitamin B ₆ dioctanoate, vitamin B ₂ and its derivatives, vitamin B _12, vitamin B such as vitamin B ₁₅ and its derivatives, ascorbic acid, ascorbic acid sulfate ester (salt), ascorbic acid phosphate ester (salt Vitamin C such as ascorbic acid dipalmitate, vitamin H, pantothenic acid, vitamins such as pantethine, nicotinamide, benzyl nicotinate, .gamma.-oryzanol, allantoin, glycyrrhizic acid (salts), glycyrrhetinic acid and derivatives thereof,
Hinokitiol, mucidin, bisabolol, eucalyptol, thymol, inositol, saponins (such as saikosaponin, carrot saponin, hepimasaponin, muclodisaponin, etc.), pantothenyl ethyl ether, cepharanthin, placenta extract, arbutin, tranexamic acid, photosensitizer 201 Various drugs, such as Rumex japonicus, Clara, Kouhone, Orange, Sage, Yarrow, Zeniaoi, Senkyu, Assemble, Thyme, Touki, Spruce, Birch, Horsetail, Loofah, Yukinoshita, Arnica,
Organic extracts of plants such as lilies, mugworts, peonies, aloe, gardenia, natural extracts extracted with alcohols, polyhydric alcohols, water, aqueous alcohols, etc., pigments, fragrances, purified water and the like can be added.

[0017]

EXAMPLES The present invention will be specifically described below with reference to examples, but the present invention is not limited to these examples.
In addition, about the compounding quantity, unless otherwise specified, it represents weight%.

(Examples 1 to 6, Comparative Examples 1 and 2) Various lotions shown in Table 1 were prepared by adding an alcohol phase to an aqueous phase, and the turbidity and the usability of the lotion were measured. An evaluation was performed. The measurement method and evaluation criteria were as follows.

[Turbidity measuring method] Turbidity was measured using a Poic integrating sphere turbidity meter (blackboard method). The smaller the turbidity value, the higher the transparency, and the higher the turbidity value, the more turbid.

[Criteria for Evaluation of Stability] 油: Oil floating is not recognized at all △: Oil floating is slightly recognized ×: Oil floating is clearly recognized

[Usability Evaluation Criteria] Ten professional beauty panels were used and evaluated and evaluated according to the following criteria.

(Judgment criteria) Effective: Not sticky Slightly effective: Slightly sticky, but in a range where there is no problem in use Invalid: Sticky (Evaluation) ：: 80% or more of panels evaluated as effective and slightly effective : 50 to 8 panels evaluated as effective and somewhat effective
Less than 0% ×: Less than 30% of panels evaluated as effective and slightly effective

[0023]

[Table 1]

As can be seen from Table 1, the lotion of Example 1 had low turbidity, good stability and little stickiness.

Example 7 Lotion Lotions of various compositions shown in Table 2 were prepared by adding an alcohol phase to an aqueous phase. As in Example 1, the turbidity was low, the stability was good, and there was no stickiness.

[0026]

[Table 2] ──────────────────────────────── Component content ────────── ────────────────────── A. Aqueous phase Ion-exchanged water Residue Polyethylene glycol 4000 2.0 1,3-butylene glycol 3.0 Dipropylene glycol 5.0 Citric acid 0.1 Sodium citrate 0.3 Sodium metaphosphate 0.1 Sodium hyaluronate 0. 05 Arbutin 5.0 Magnesium ascorbate phosphate 1.0 Aloe extract 0.3 Malonie extract 2.0 Malonie extract powder 0.1 Carrot extract 0.1 Alkyl-modified carboxyvinyl polymer 0.3 (Pemulen TR-1) KOH 0 .2B. Alcohol phase Ethyl alcohol 12.0 Methyl paraben 0.1 Phenoxyethanol 0.3 Photosensitizer 201 0.005 2-Ethylhexyl paraoxycinnamate 0.2 Vitamin A palmitate 0.05 Fragrance 0.01 ──────── ───────────────────────

Example 8 Hair Tonic Hair tonics having various compositions shown in Table 3 were prepared in the same manner as in Example 7. As in Example 1, the turbidity was low,
The stability was good and there was no stickiness.

[0028]

[Table 3] ─────────────────────────────── Component content ─────────── ──────────────────── A. Aqueous phase Ion exchange water Residue Glycerin 2.0 Lactic acid 0.01 Sodium lactate 0.5 Trisodium edetate 0.03 Tranexamic acid 2.5 Allantoin 0.1 Zinc paraphenol sulfonate 0.3 Hydroxypropyl-β-cyclo Dextrin 1.0 dl-α-tocopherol 2-L-ascorbic acid phosphoric acid diester potassium salt 0.1 Malonier extract powder 0.02 Alkyl-modified carboxyvinyl polymer 0.5 (Carbopol 1342) KOH 0.3 Alcohol phase Ethanol 55.0 Oxybenzone 0.4 dl-α-tocopherol 0.2 Stearyl glycyrrhetinate 0.1 d-Camphor 0.5 Perfume 0.1 ───────────────

Example 9 Transparent Essence A transparent essence having the composition shown in Table 4 was prepared by stirring and dissolving an aqueous phase and adding an alcohol phase thereto. As in Example 1, the stability was good and the stickiness was low.

[0030]

[Table 4] ────────────────────────────── Component content ──────────── ────────────────── A. Aqueous phase Purified water Residue Polyethylene glycol 400 5.0 Propylene glycol 5.0 Malonie extract 1.0 Glycolic acid 2.0 L-ascorbic acid 2-glucoside 3.0 Carboxyvinyl polymer 0.5 Alkyl-modified carboxyvinyl polymer 0. 005 (Pemulen TR-2) KOH 0.2 Hydroxymethoxybenzophenone sodium sulfonate 0.1 B. Alcohol phase Ethanol 10.0 4-tert-butyl-4'methoxybenzoylmethane 0.2 Tocopherol acetate 0.1 Methyl paraben 0.1 Fragrance 0.03───────────────── ─────────────

Example 10 Lotion Lotions of various compositions shown in Table 5 were prepared by adding a humectant phase to the aqueous phase. As in Example 1, the turbidity was low, the stability was good, and there was no stickiness.

[0032]

[Table 5] ────────────────────────────── Component content ──────────── ────────────────── A. Water phase Ion-exchanged water Residue Polyethylene glycol 20000 1.0 Glycerin 5.0 Hydroxypropyl-β-cyclodextrin 0.5 Erythritol 0.1 Malonie extract powder 1.0 Sorbitol 5.0 Lactic acid 0.01 Sodium lactate 0 0.5 dipotassium glycyrrhizinate 0.01 alkyl-modified carboxyvinyl polymer 0.1 (Pemulen TR-2) KOH 0.05 Moisturizer phase 1,3-butylene glycol 3.0 dipropylene glycol 2.0 tocopherol acetate 0.01 methyl paraben 0.1 fragrance 0.005───────────────── ─────────────

[0033]

According to the present invention, that is, by blending an alkyl-modified carboxyvinyl polymer with maronier extract and / or maronier extract powder, a water-insoluble fragrance, drug or oil can be stably solubilized. In addition, it is possible to provide a solubilized cosmetic that is less sticky in terms of usability.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kenzo Ito 1050 Nippa-cho, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Inside Shiseido Daiichi Research Center Co., Ltd.

Claims (4)

[Claims] 1. A cosmetic obtained by adding and solubilizing a fragrance, a drug or an oil which is hardly soluble in water, wherein the alkyl-modified carboxyvinyl polymer and the malonie extract are used as solubilizers for the fragrance, a drug or an oil which are hardly soluble in water. And / or a marronnier extract powder. 2. The solubilized cosmetic according to claim 1, which does not substantially contain a surfactant. 3. The compounded amount of the alkyl-modified carboxyvinyl polymer is 0.0001 to 1% by weight.
Or the solubilized cosmetic according to claim 2. 4. The amount of the marronnier extract or the marronnier extract powder is from 0.001 to 5% by weight.
The solubilized cosmetic according to any one of claims 3 to 4.