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US 2010/0135935 A1Published application
Composition using cross-linked hyaluronic acid for topical cosmetic and therapeutic applications
AssigneeLuromed LLC
InventorsAdelya K. Leshchiner, Nancy E. Larsen, Edward G. Parent
Life of this patent
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Abstract
Disclosed are compositions comprising crosslinked hyaluronic acid gels, preferably vinyl sulfone cross-linked hyaluronic acid known as hylan B gel, for use in topical cosmetic and dermatological formulations. The hylan B gel in these formulations provides prolonged delivery of incorporated substances to the surface of the skin, to provide a hydrated film on the surface of the skin, and to provide a substantive and compatible film on the skin.
Claims20
A topical composition comprising:
- a polysaccharide gel matrix;
- and a substance, alone, or in combination with, an effective amount of a therapeutic agent deliverable to a skin surface, wherein the therapeutic agent is a salt, a solvate, a prodrug, or a derivative of the therapeutic agent, and wherein the substance, alone or in combination, is entrapped within the matrix.
Dependencies are inferred from the claim text.