Preservatives for Cosmetic, Toiletry and Pharmaceutical Compositions
AssigneeInolex Investment Corporation
InventorDaniel Winn
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Abstract
A composition for and methods of preserving a topical cosmetic, toiletry or pharmaceutical formulation against microbiological contamination or growth are described in which the compositions used herein include at least one hydroxamic acid, salt or complex thereof, and the methods include addition of an effective amount of such compounds to a cosmetic, toiletry or pharmaceutical formulation. Compositions further including alkanediols and/or solubilizing agents in blends with hydroxamic acid are also described.
Claims20
A method of preserving a topical cosmetic, toiletry or pharmaceutical formulation against microbiological contamination or growth, comprising adding an effective amount of at least one hydroxamic acid, or a salt and/or a complex thereof.
A composition useful for the preservation of topical cosmetic, toiletry and pharmaceutical formulations, wherein the composition is substantially free of parabens, comprising at least one hydroxamic acid, or a salt and/or a complex thereof and at least one alcohol.
Dependencies are inferred from the claim text.