16% Restalox, 3% Neurogrowth 4. Stimulates the repair of aging & damaged skin for a dramatically transformed appearance. HydroPeptide Cellular Transformation Growth Serum is an unparalleled physiological combination of elements that signal natural cellular activity within the skin. Every active complex is at or above its clinically proven level. HydroPeptide serum's BioActive Complexes...Stimulate natural collagen & elastin production & help eliminate the appearance of fine lines with 3% Neurogrowth 4. Natural skin elements & tissue growth factor activators help stimulate cell division, blood vessel enhancement, & significant collagen & elastin production. These elements also offer supplemental support to healing factors that allow wounds & burns to heal markedly faster. In vitro tests have shown these active complexes to help increase collagen-1 synthesis by 119%. After 84 days, clinical tests have shown these active ingredients to have a wrinkle reducing effect of more than 350% compared to placebo. Minimize the mechanisms that form wrinkles with 16% Restalox, a powerful peptide relaxation complex. This precise blend of 3 relaxing peptide complexes help block neurotransmitters, reduce Na+ uptake, & inhibit muscle cell contraction for up to 24 hours. Accumulatively (after 28 days), it has a significant anti-wrinkle effect of up to 63% and 35% on average. Enhance skin texture and elasticity. Fundamental elements such as Hyaluronic acid, DMAE, Alpha Lipoic Acid (also known as Thioctic Acid), & proven antioxidants help moisturize, firm facial tone, & protect the skin from cellular damage. Maximum results were seen after 84 days.