Photostable antioxidant cosmetic composition
AssigneeL'oreal
InventorsBrian Scott BODNAR, Simon Pierre DONCK, Jun SUZUKI, Cherry WANG
Life of this patent
Estimating the term…
Abstract
A composition includes polydatin and at least one photoisomerization stabilizer and a cosmetically acceptable carrier. The at least one photoisomerization stabilizer confers photostabilization to trans-polydatin by at least about 5%, relative to an otherwise identical composition without the at least one photoisomerization stabilizer.
Claims14
A composition comprising:
- i) Polydatin (3,4′,5-trihydroxystibene-3-β-mono-D glucoside) present from about 0.05% to about 5.00% by weight based on the weight of the composition;
- ii) at least one photoisomerization stabilizer present from about 0.1 to about 2.5% by weight based on the weight of the composition;
- and
- iii) a cosmetically acceptable carrier;
- wherein the at least one photoisomerization stabilizer confers photostabilization to the polydatin by at least 5%, relative to an otherwise identical composition without the at least one photoisomerization stabilizer.
The composition according to claim 5, wherein the cosmetically acceptable carrier comprises one or a combination of:
- water present from about 45% to about 55%, one or more alcohol present from about 35% to about 40%, and one or more glycol present from about 0.5% to about 3.0%, each present by weight based on the weight of the composition.
The composition according to claim 1, further comprising at least one additive. The composition according to claim 6, wherein the at least one additive includes one or more thickeners comprising one or a combination of natural and synthetic polymers.
A biphase aqueous composition comprising:
- i) Polydatin present from about 0.05% to about 5.00% by weight based on the weight of the composition;
- ii) a photoisomerization stabilizer that comprises at least two polyphenols, each present in the composition from about 0.1% to about 2.5% by weight based on the weight of the composition;
- and
- iii) a cosmetically acceptable carrier that comprises one or a combination of:
- water present from about 45% to about 55%, one or more alcohol present from about 35% to about 40%, and one or more glycol present from about 0.5% to about 3.0%, each present by weight based on the weight of the composition
- wherein the at least one photoisomerization stabilizer confers photostabilization to the polydatin by at least 5%, relative to an otherwise identical composition without the at least one photoisomerization stabilizer, and wherein the composition is essentially free of oil.
A photo-stabilized composition comprising:
- i) Polydatin present from about 0.05% to about 5.00% by weight based on the weight of the composition;
- ii) a photoisomerization stabilizer comprising one or a mixture of polyphenols, each present by weight based on the weight of the composition, and selected from
- 1. Caffeic acid present from about 0.2%;
- 2. Luteolin present from about 0.2%;
- 3. Hesperidine present from about 0.4%;
- 4. Sodium tetracarboxymethylchalcone present from about 0.4%;
- 5. Mangiferin present from about 0.25%;
- 6. Ferulic Acid present from about 0.2%;
- and
- iii) a cosmetically acceptable carrier that includes water, at least one alcohol and at least one glycol;
- wherein the at least one photoisomerization stabilizer confers radiation stabilization to the polydatin by at least 5%, relative to an otherwise identical composition without the at least one photoisomerization stabilizer.
Dependencies are inferred from the claim text.