ch-OSA advanced collagen generator. Reduces fine lines and wrinkles. Thickens and strengthens hair. Strengthen nails. Promotes healthy bones and joints. Nourish your body's 3 beauty proteins - Naturally! The condition of your skin, hair, and nails depends on three proteins: Collagen plumps out skin, removing wrinkles and preventing them from forming. In addition, collagen is essential for strong, healthy bones and joints. Keratin is the protein that's packed into your hair shaft. It gives your hair thickness, body, strength, and elasticity. Plus, keratin gives your nails strength. Elastin gives your skin its ability to stretch and bounce back preventing fine lines and wrinkles. With age, collagen, keratin and elastin decline. BioSil Hair Skin Nails, with clinically proven ch-OSA, is specifically formulated to help nourish your body's 3 proteins and restore them to more youthful levels. The Breakthrough in Collagen! Collagen is essential for beautiful skin, hair and nails as well as healthy bones and joints. But starting at age 21, collagen diminishes 1% per year. By age 30, the signs become visible. For years, scientists searched for a method to give the human body the ability to regenerate its own collagen. But it took BioSil's landmark discovery of ch-OSA to make it a reality. Its capacity to generate collagen with your own DNA fingerprint makes ch-OSA the genuine breakthrough in collagen.