Description Clinically Proven ch-OSA 2 in 1 Generates Protects Your Own Collagen Vegan Friendly Supplement Gluten Allergen Free GMO Free Soy Free Dairy Free + Hair + Skin + Nails Activate your beautifying ability to generate protect your own collagen. Improve your hair, skin, nails, and joints. Radiate with the self confidence of a glow you can see, feel show. 2 in 1 Generate + Protect Biosil's ch-OSA complex activates your natural ability to generate and protect your own collagen, elastin, and keratin. This improves and supports your hair, skin, nails joints. What's more, ch-OSA complex stimulates collagen with your DNA fingerprint. And that is truly unique.