Youth Serum - Firming30ml This Firming serum with a stretch effect gel texture helps to limit skin slackening to tone, firm and visibly lift the features. HOW TO USE Apply morning and evening to the face and neck (1 use = 1 to 2 pumps). Follow with your prescribed Sothys treatment cream over the Youth Serum. ACTIVE INGREDIENTS Copper Peptides SKIN TYPE All Skins, Fine Lines Wrinkles