For use with the CryoLED device, which forces the active ingredients into the skin via thermal shock delivery. Collagen, firming and reconstructing properties. Skin Perfusion Lift Cryo-Serum strengthens and firms the skin. Active ingredients that enhance elasticity include marine DNA, which is very effective and well known for its function of restoring skin tone and maintaining its strength. Collagen, which is an important natural element of the skin, can be called an aesthetic medicine, highly valued for its moisturizing and firming effect.