It'sSKIN Peptide Collagen Serum 40mlCollagen firming serum with a firm texture that wraps the skin smoothly and provides firm moisture. BOOSTS COLLAGEN PRODUCTION. This facial serum contains peptides that stimulate collagen production which results in improved skin elasticity. The vegan collagen and oat peptides in the serum enhance collagen synthesis to create firmer and more youthful looking skin. REDUCES WRINKLES. This Korean serum is an effective solution for achieving youthful and