| abstract |
To obtain a peptide represented by the general formula 1: R 1 AA 1 -AA 2 -AA 3 -AA 4 -R 2 , a stereoisomer, a mixture thereof, or a cosmetically or pharmaceutically acceptable salt thereof, And the treatment of skin, mucosal and / or scalp conditions, diseases and / or lesions resulting from overexpression of matrix metalloproteinases (MMPs) or increased MMP activity Or their use for treatment. |