NOW Solutions Clinically Advanced Hair, Skin and Nails capsules nurtures hair, skin, and nails from the inside. It features Cynatine® HNS a revolutionary patented and bioavailable form of solubilized keratin that can help maintain full, lustrous hair and nails that are strong and flexible, and help skin retain its youthful moisture and elasticity, plus battle signs of aging associated with free radicals. With 20 other critical vitamins, minerals, amino acids including MSM, L-Proline, and Hyaluronic acid, NOW’s Clinically Advanced Hair, Skin and Nails formula has all the necessary nutrients for the support and maintenance of the skin’s healthy and youthful appearance.