Compositions and methods for retarding the effects of aging...

Details Compositions and methods for retarding the effects of aging... Compositions and methods for retarding the effects of aging...

A - Human Necessities

61

K

167/144, 167/310

A61K 31/20 (2006.01) A61K 7/40 (1995.01) A61K 7/48 (1995.01)

Patent

CA 1338840

Various effects of aging of skin due to impairment of differentiation of epidermal epithelial cells and loss of collagen fibers, abnormal changes in elastic fibers and deterioration of small blood vessels in the dermis of the skin are retarded by applying topically to the epidermis in a maintenance therapy program effective amounts of vitamin A acid (tretinoin) such that epithelial growths are substantially reduced and prevented and the skin substantially regains and maintains its firmness, turgor and elasticity. Moreover, with persistent treatment dermal blood cells and vessels increase and the epidermis and dermis thicken, resulting in improved ability of the skin to sense, resist and recover from irritation or injury. Further, hyperpigmentation, lines and wrinkles due to aging are reduced and prevented. The treatment is particularly useful for human facial skin and preferably applied in amounts insufficient to cause excessive irritation.

617053

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