The innovative Neotec A15 technology of bovine collagen and multidimensional hyaluronic acid is specially designed to intensively moisturize and improve the elasticity and firmness of the skin. For the ultimate anti-aging effect.Collagen Night Serum also contains a highly effective tree bark extract that supports the skin's natural regeneration. The Overnight Repair Complex helps to counteract the damage caused by negative environmental influences. Ideal for use after an exfoliant. Application: Apply gently to the face in the evening after cleansing. Then use your serum and/ or moisturizer as usual.