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US 5,665,364 AGranted
Compositions for topical delivery of active ingredients
AssigneeThe Procter & Gamble Company
InventorsDavid Michael McAtee, Lourdes Dessus Albacarys, Joseph Anthony Listro
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Abstract
The compositions of the present invention are useful for the topical delivery of a wide variety of active ingredients. These compositions are particularly useful for treating conditions such as acne and its attendant skin lesions, blemishes, and other imperfections. These compositions are nonirritating to the skin and also provide improved skin feel benefits. These compositions can be in the form of leave-on products and products that are rinsed or wiped from the skin after use.
Claims23
A topical personal care composition comprising:
- (a) from about 0.1% to about 20% by weight of an amphoteric surfactant having the following structure ##STR11## wherein R.sup.1 is unsubstituted, saturated or unsaturated, straight or branched chain alkyl having from about 9 to about 22 carbon atoms;
- m is an integer from 1 to about 3;
- n is 0 or 1;
- R.sup.2 and R.sup.3 are independently selected from alkyl having from 1 to about 3 carbon atoms and monohydroxyalkyl having from 1 to about 3 carbon atoms;
- R.sup.4 is selected from saturated or unsaturated alkyl having from 1 to about 5 carbon atoms and saturated or unsaturated monohydroxyalkyl having from 1 to about 5 carbon atoms;
- X is selected form the group consisting of CO.sub.2, SO.sub.3, and SO.sub.4 ;
- and pharmaceutically acceptable salts of the foregoing compounds;
- (b) from about 0.1% to about 20% by weight of an anionic surfactant,
- (c) from about 0.001% to about 20% of an active ingredient, and
- (d) from about 40% to about 99.799% by weight water.
7 more elements
Dependencies are inferred from the claim text.