Bioderma Sebium Moussant 500MlS???? bium Gel moussant gently cleanses and purifies the skin without drying it : containing zinc sulphate and copper sulphate, it cleanses the epidermis, reduces the number of blemishes, and limits sebum secretion. Its ultra gentle, soap free formula respects the skins balance : the physiological pH is maintained and the hydrolipidic film is preserved to maintain moisture in the skin. The patented natural complex raised the skins tolerance threshold