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US 5,849,309 AGranted
Skin activator with glycosaminoglycan production-accelerating effect
AssigneeInstitute for Advanced Skin Research Inc.
InventorsShinji Tanaka, Hiroshi Doi, Noboru Yamamoto
Life of this patent
Estimating the term…
Abstract
A skin activator containing as an effective component the compound represented by the following chemical formula (I), and external skin preparations containing it. It has an excellent glycosaminoglycan production-accelerating effect. ##STR1##
Claims10
A method of increasing the amount of water-retaining glycosaminoglycans in the skin comprising administering to the skin a compound of the formula (I):
- ##STR3## in an amount effective for increasing the amount of water-retaining glycosaminoglycans in the skin.
A cosmetic composition for increasing the amount of water-retaining glycosaminoglycans in the skin comprising a compound of the formula (I):
- ##STR4## in an amount effective for increasing the amount of water-retaining glycosaminoglycans in the skin, and further comprising an inorganic pigment, organic pigment, inorganic powder, organic powder, hydrocarbon, silicone, ester, triglyceride, lanolin, wax, cere, animal or vegetable oil, surfactant, polyhydric alcohol, sugar, vitamin, amino acid, antioxidant, preservative, fragrance, or thickener.
Dependencies are inferred from the claim text.