You know how it works. Healthy collagen equals prettier, healthier and firmer skin. This Anti-Aging Collagen Serum by InstaNAtural is specially formulated with NASA Stem Cell Technology which delay the visible signs of aging. With Peptide Complex, Hyaluronic Acid and Collagen to nourish your skin for a vibrant, healthy glow.. Light as a feather, this serum keeps skin hydrated.