The Inkey List Collagen Peptide Serum 30mlCOLLAGEN PEPTIDE SERUM \ call a jen \ boo ster \ A serum that works to make the skin appear plumper and firmer, to help reduce the appearance of fine lines and wrinkles (previously named Collagen Booster)Using the Matrxyl 3000 peptide, this smoothing and hydrating serum mimics the effect of what natural collagen would do to your skin, helping it appear plumper and firmer. Syn Tacks Dual Peptide also gives an added boost to aid a reduction in the