The disclosure relates to novel topical lightening compositions a skin depigmenting agent and a vehicle. There is provided a topical lightening composition comprising a substituted-4-oxobutanoic acid, ester, or amide tyrosinase inhibitor, and a vehicle. The depigmenting agents of this disclosure can be used as such or as a pharmaceutically acceptable salt including conventional non-toxic salts which include a metal salt or an alkaline earth metal salt, an ammonium salt, or an organic base salt. The depigmenting agents of this disclosure can be incorporated into any cosmetically-, dermatologically-, or cosmeticatically-acceptable vehicle or carrier normally used for topical application. The compositions and methods of the disclosure are effective to lighten skin, hair, lips, and/or nails.
Modulation of Thymosin Beta-4 in Skin
申请人:Chen Siming
公开号:US20130149397A1
公开(公告)日:2013-06-13
Methods for preventing, ameliorating, or reducing dermatological signs of aging are provided which employ active agents, other than a retinoid, that stimulate thymosin beta-4 expression in the skin. Also provided are methods for screening for substances which stimulate thymosin beta-4 expression levels and the methods of using active agents identified by the screening protocol in the treatment of skin.