SOTHYS Paris Firming Specific Youth Serum 30 mlSkin serum with a gel texture strengthens the skin and prevents it from sagging. It provides visible lifting effects and leaves the skin supple and rejuvenated. Features: skin serum, with a gel texture, has firming effects, prevents sagging of the skin, provides visible lifting effects, vegan product. How to use Apply morning and evening to the face and neck.