Evianne Cream UK Retinol: a compound of vitamin A, retinol is widely used in anti-aging creams. It is an antioxidant, the first to be used in over-the-counter wrinkle creams. Copper peptides: copper is present in all body cells. When used in skin care products, it is combined with peptides (small protein fragments). Copper peptides stimulate collagen production and skin healing.