Pal-GHK is a small three amino acid signal peptide. Applying Pal-GHK directly to your skin, tells the cells to make more collagen, stimulating new collagen production.By stimulating collagen production, Pal-GHK help to make the skin appear more plump and youthful. Pal-GHK increase cell activity and repair the skin’s natural barrier function of retaining water and protecting the body against foreign substances.it can redue the depth, volume and density of wrinkles, reduce skin roughness, complexity and the area occupied by deep wrinkles, and increases skin tone.