Dietary Supplement. Vegan. Vegetarian. ch-OSA advanced collagen generator. Reduce fine lines and wrinkles. Thickens and strengthens hair. Strengthen nails. Promotes healthy bones and joints. Original ch-OSA formula. Clinically proven. 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...