Aqueous dispersion of dehydration-resistant vesicles

Details Aqueous dispersion of dehydration-resistant vesicles Aqueous dispersion of dehydration-resistant vesicles

1997-11-25

2000-02-08

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Liposomes

424401, 424455, 424461, 424 701, 424 7011, 424 7012, 424 7013, 424 7015, 424 7016, 424 7021, 424 7022, A61K 9127, A61K 600, A61K 706

Patent

active

060225599

ABSTRACT:
A dispersion, in an aqueous medium, of dehydration-resistant vesicles containing a lipid phase and an encapsulated aqueous phase. The dispersion additionally contains, either in the aqueous medium or in the encapsulated aqueous phase or in both, at least one polymer, in the form of particles, which has a glass transition temperature Tg, in the presence or absence of a plasticizing agent, of lower than 70.degree. C. at 0% relative humidity. The dispersion can be used in the cosmetic or pharmaceutical fields for topical application for the care and/or makeup of the skin and for care of the scalp and/or hair.

REFERENCES:
patent: 4240450 (1980-12-01), Grollier et al.
patent: 4830857 (1989-05-01), Handjani et al.
patent: 5174930 (1992-12-01), Stainmesse et al.
patent: 5741518 (1998-04-01), Ribier et al.

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