Topical compositions and methods of application
AssigneeAvon Products, Inc.
InventorMark S. Garrison
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Abstract
There are topical emulsion compositions having a cosmetic drug or medicinal active, a novel compound of the present invention, and a vehicle. The novel compound is represented by a formula selected from the group consisting of L—A—H and A—L—H, wherein L is a lipophilic moiety, A is an aromatic moiety, and H is a hydrophilic moiety. Also provided are methods of emulsifying a composition; improving the photostability of a composition; and enhancing the effectiveness of a sunscreen composition.
Claims63
A topical composition, comprising:
- a cosmetic, drug or medicinal active;
- a compound having a formula selected from the group consisting of L—A—H and A—L—H, wherein L is a lipophilic moiety, wherein A is an aromatic moiety having an ultraviolet absorption maximum between 290 nanometers and 400 nanometers, and wherein H is a hydrophilic moiety;
- and
- a vehicle suitable for topical application, wherein when the compound is the formula L—A—H and the aromatic moiety is benzylidene, the lipophilic moiety is not camphor.
A topical composition, comprising:
- a cosmetic, drug or medicinal active having an aromatic moiety;
- a compound having a formula selected from the group consisting of L—A—H and A—L—H, wherein L is a lipophilic moiety, wherein A is an aromatic moiety having an ultraviolet absorption maximum between 290 nanometers and 400 nanometers, and wherein H is a hydrophilic moiety;
- and
- a vehicle suitable for topical application, wherein the compound is present in an amount effective to provide at least one benefit selected from the group consisting of emulsifying the composition, photostabilizing the active, solubilizing the active, and any combinations thereof.
A method of improving the photostability of a composition comprising adding to the composition a compound having a formula selected from the group consisting of L—A—H and A—L—H, wherein L is a lipophilic moiety, wherein A is an aromatic moiety having an ultraviolet absorption maximum between 290 and 400 nanometers, wherein H is a hydrophilic moiety, and wherein when the compound is the formula L—A—H and the aromatic moiety is benzylidene, the lipophilic moiety is not camphor.
A method of improving the photostability of a composition having a sunscreen active comprising adding to the composition a compound having a formula selected from the group consisting of L—A—H and A—L—H, wherein L is a lipophilic moiety, wherein A is an aromatic moiety having an ultraviolet absorption maximum between 290 and 400 nanometers, wherein H is a hydrophilic moiety, and wherein when the compound is the formula L—A—H and the aromatic moiety is benzylidene, the lipophilic moiety is not camphor.
A method of improving the effectiveness of a sunscreen composition comprising adding to the composition a compound having a formula selected from the group consisting of L—A—H and A—L—H, wherein L is a lipophilic moiety, wherein A is an aromatic moiety having an ultraviolet absorption maximum between 290 and 400 nanometers, wherein H is a hydrophilic moiety, and wherein when the compound is the formula L—A—H and the aromatic moiety is benzylidene, the lipophilic moiety is not camphor.
A method of emulsifying a composition for topical application comprising adding to the composition a compound having a formula selected from the group consisting of L—A—H and A—L—H, wherein L is a lipophilic moiety, A is an aromatic moiety having a UV absorption maximum between 290 nanometers and 400 nanometers, and H is a hydrophilic moiety, and wherein the compound is present in an amount effective to form an emulsified composition.
Dependencies are inferred from the claim text.