KOPROSTEINE
Skin Brightener / Dark Spots Correcting Active
Oxothiazolidinecarboxylic acid
KOPROSTEINE (Procysteine) is an effective depigmenting agent for the topical treatment of hyperpigmentation. It can minimize the appearance of dark spots and help restore radiant and youthful complexion.
White powder
0.01% - 0.1%
Compatibility and status
