Anti Age Serum to Lift Skin Theoretical age: 40 – 50 For more permanent wrinkles, Grade 2 Lifting Serum fills and smoothes lines with hyaluronic acid for an "injection-like" effect. Powerful pentapeptides stimulate collagen synthesis, preserving the oval of the face. The Sothys age defying program follows an exclusive concept that incorporates a professional skin analysis to determine the real age of your skin, referred to as the "grade of aging". This ensures a complete, efficient and customized solution. Intensive Serums. Knowing that not all skin ages equally, Sothys offers 4 Serums to fight the signs of aging – including fine lines and expression lines. Each serum features the.