Water-in-oil emulsion containing retinol its use

Details Water-in-oil emulsion containing retinol its use Water-in-oil emulsion containing retinol its use

1994-12-29

1997-08-12

Weddington, Kevin E.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

C-o-group doai

514 63, 514724, 514859, 514937, 514938, A61K 3107, A61K 31695, A61K 31045

Patent

active

056566727

ABSTRACT:
The invention relates to a water-in-oil emulsion containing retinol, an oil phase, an aqueous phase and an agent for emulsifying the aqueous phase in the oil phase, the oil phase containing at least one organic solvent for retinol which is liquid at room temperature, and the pH of the aqueous phase being basic, so as to stabilize the retinol for at least two months at 45.degree. C.
This emulsion is for cosmetic or dermatological use.

REFERENCES:
patent: 4333924 (1982-06-01), Bowly et al.
patent: 4826828 (1989-05-01), Wilmott et al.
patent: 4888363 (1989-12-01), Dulak et al.
Chemical Abstracts. vol. 97 No. 11 ab. 98175m (1982) Bowley et al.

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