Collagen Membrane, Reduces Wrinkles, Smooths Forehead Fine Lines, Moisturizes And Tightens Skin Protein MembraneOur collagen membrane contains palmitoyl tetrapeptide 7 and hyaluronic acid. It relieves dry skin, fine lines, wrinkles and sagging. Its application method is very simple: 1. Clean the facial skin, 2. Apply the essence to the face, 3. At a distance of 15 cm from the face, spray the serum evenly on the face. 4. After the serum patch dissolves, pat and massage the face until it is absorbed. It also moisturizes the face and nourishes the skin.