Cosmetic or dermatological composition comprising an oil-in-wate

Details Cosmetic or dermatological composition comprising an oil-in-wate Cosmetic or dermatological composition comprising an oil-in-wate

1995-10-06

1999-07-20

Venkat, Jyothsna

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

424 59, 424450, 514844, 514845, 514846, 514938, 514939, 514940, 514941, 514942, 514943, A61K 748

Patent

active

059253649

ABSTRACT:
The present invention relates to a cosmetic or dermatological composition comprising an emulsion of oil-in-water type formed of oily globules which are each provided with a lamellar liquid crystal coating and are dispersed in an aqueous phase. Each oily globule containing at least one lipophilic compound which is cosmetically or dermatologically active is individually coated with a monolamellar or aligolamellar layer obtained from at least one lipophilic surface-active agent, from at least one hydrophilic surface-active agent and from at least one ionic amphiphilic lipid imparting to the emulsion a pH ranging from 5.5 to 7.5, the coated oily globules having a mean diameter of less than 500 nanometers.

REFERENCES:
patent: 5372814 (1994-12-01), Mizushima et al.
patent: 5429820 (1995-07-01), Kamitani et al.
T. Suzuki et al.; "Secondary Droplet Emulsion: Mechanism and effects of liquid crystal formation in O/W emulsion"; Journal of Dispersion Science and Technology; vol. 5, No. 2, 1984, pp. 119-141.
Cosmetics & Toiletries; By G.S. Kass, vol. 94, Aug. 1979, pp. 25, 26, 28 and 30, "New Techniques for Formulating Cosmetics with Lecithin".
JP 94-002223/01--Abstract.
Kosmetik; By Wilfried Jumbach, 1988, pp. 400-409.

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