Broad Spectrum Non-Traditional Preservative System
First Claim
1. A topical composition comprising an antimicrobial preservative composition wherein the antimicrobial preservative composition comprises a combination of emollient solvent and an alpha hydroxy acid, and wherein the combination shows greater than additive antimicrobial activity.
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Accused Products
Abstract
Preservative compositions containing emollient solvents such as octanediol or Symdiol™ or octoxyglycerine monoesters in combination with organic acids such as alpha hydroxyl acids can be used for preventing microbial growth and spoilage in cosmetic and topical skin formulations with the added benefit of providing silky smooth texture to skin. The compositions may optionally contain an essential oil/component. These preservative compositions are odorless and colorless and small concentrations can be added to cosmetic/topical formulations to prevent bacterial, yeast and fungal growth within 24 to 48 hours after contamination.
62 Citations
18 Claims
- 1. A topical composition comprising an antimicrobial preservative composition wherein the antimicrobial preservative composition comprises a combination of emollient solvent and an alpha hydroxy acid, and wherein the combination shows greater than additive antimicrobial activity.
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9. A topical composition comprising an antimicrobial preservative composition wherein the antimicrobial preservative composition consists of a synergistic combination of one or more emollient solvent, an alpha hydroxy acid, an optionally an essential oil component.
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10. A topical composition comprising:
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from about 0.3% to about 5% of about 50% to about 99% (w/w) stock solution of an emollient solvent; and from about 1% to about 50% alpha hydroxy acids (w/w).
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17. A topical composition comprising:
- about 60% octanediol, about 37% sensiva, and about 3% lactic acid.
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18. A topical composition comprising:
- about 80% octaneiol and about 20% lactic acid.
Specification