JP5495852B2 - 皮膚外用剤 - Google Patents
皮膚外用剤 Download PDFInfo
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- JP5495852B2 JP5495852B2 JP2010042010A JP2010042010A JP5495852B2 JP 5495852 B2 JP5495852 B2 JP 5495852B2 JP 2010042010 A JP2010042010 A JP 2010042010A JP 2010042010 A JP2010042010 A JP 2010042010A JP 5495852 B2 JP5495852 B2 JP 5495852B2
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- external preparation
- skin
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- skin external
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- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229940057910 shea butter Drugs 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 229940032094 squalane Drugs 0.000 description 1
- 229940031439 squalene Drugs 0.000 description 1
- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 description 1
- 125000003696 stearoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 125000005063 tetradecenyl group Chemical group C(=CCCCCCCCCCCCC)* 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Landscapes
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
本発明者は、今般、両親媒性脂質含有の皮膚外用剤を高温保存条件下で長期間保存すると油層や水層の分離が起きてしまうという問題があることを見出した。
(A)次の一般式(1)で表わされるアミド誘導体、
(B)非イオン性界面活性剤、
(C)N−長鎖アシルアルキルタウリン塩、
(D)シア脂、
(E)水性媒体
を含有し、成分(B)及び(C)と成分(D)との含有質量比(D)/{(B)+(C)}が0.5〜2.0である皮膚外用剤を提供するものである。
さらに、成分(D)と成分(A)との含有質量比(D)/(A)が、0.5〜1.8、特に0.7〜1.5であると分離抑制や使用感が好ましいものとなる。
当該(E)水性媒体の本発明皮膚外用剤中の含有量は、分離抑制及び使用感等の点から50〜90質量%が好ましく、さらに55〜80質量%が好ましい。
(調製方法)
1.油相成分を80℃に加熱溶解する。
2.水相成分を80℃に加熱溶解する。
3.攪拌している油相に水相を加え、ホモミキサーで処理し、室温まで除冷することで乳化物を得る。
上記製造法で得られた乳化物をガラスびんに入れて50℃で1ヶ月保存した。これを室温にもどし外観を観察し下記基準で評価した。
○:分離現象のない均一な乳化物
×:分離現象あり
専門パネリスト10名が、調製したクリームを実際に使用し、実用評価を行った。評価項目は、肌になじむ感じ、塗布後のべたつきの2項目であり、下記基準により評価した。
(評価基準)
◎:8名以上が良好と感じた。
○:6名以上が良好と感じた。
△:4名以下が良好と感じた。
×:2名以下が良好と感じた。
Claims (6)
- 次の成分(A)、(B)、(C)、(D)及び(E):
(A)次の一般式(1)で表わされるアミド誘導体、
(B)非イオン性界面活性剤、
(C)N−長鎖アシルアルキルタウリン塩、
(D)シア脂、
(E)水性媒体
を含有し、成分(B)及び(C)と成分(D)との含有質量比(D)/{(B)+(C)}が0.5〜2.0である皮膚外用剤。 - 成分(D)の含有量が2〜6質量%である請求項1記載の皮膚外用剤。
- さらに(D)成分以外の油性物質を含有する請求項1又は2記載の皮膚外用剤。
- pHが4〜6である請求項1〜3の何れか一項に記載の皮膚外用剤。
- さらにpH調整剤を含有する請求項4に記載の皮膚外用剤。
- さらに増粘剤の含有量が0.05質量%以下である、又は増粘剤を含有しない請求項1〜5の何れか一項に記載の皮膚外用剤。
Priority Applications (1)
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JP2010042010A JP5495852B2 (ja) | 2010-02-26 | 2010-02-26 | 皮膚外用剤 |
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JP2010042010A JP5495852B2 (ja) | 2010-02-26 | 2010-02-26 | 皮膚外用剤 |
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JP2011178677A JP2011178677A (ja) | 2011-09-15 |
JP5495852B2 true JP5495852B2 (ja) | 2014-05-21 |
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Families Citing this family (2)
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JP6758877B2 (ja) * | 2016-03-30 | 2020-09-23 | 小林製薬株式会社 | O/w型乳化組成物 |
JP7500355B2 (ja) * | 2016-03-30 | 2024-06-17 | 小林製薬株式会社 | O/w型乳化組成物 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2540296B2 (ja) * | 1985-07-31 | 1996-10-02 | 花王株式会社 | 化粧料 |
JP2544104B2 (ja) * | 1985-11-20 | 1996-10-16 | 花王株式会社 | 化粧料 |
JPS62228048A (ja) * | 1985-12-20 | 1987-10-06 | Kao Corp | アミド誘導体及びそれを含有する皮膚外用剤 |
JP3008212B2 (ja) * | 1990-11-26 | 2000-02-14 | 花王株式会社 | 透明ないし半透明の化粧料 |
JP3091267B2 (ja) * | 1991-08-07 | 2000-09-25 | 花王株式会社 | 乳化化粧料 |
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