Our Hair, Skin and Nails contains special clinically-proven ingredients that work from within to significantly improve the appearance of your hair, skin and nails, without the use harsh chemicals. – Achieve healthy hair, glowing skin and strong nails with our Hair, Skin and Nails formula* – This award-winning blend contains Biotin, Keratin and Hyaluronic Acid ingredients that work from within to significantly improve the appearance of your hair, skin and nails* – Biotin and solubilized keratin work together to maintain healthy hair growth, skin elasticity and strong nails, while low-density Hyaluronic Acid provides natural support for skin hydration and smoothness* – Following Dr. Mercolas belief in providing the best quality products, solubilized keratin is extracted from premium quality, pure New Zealand wool, producing a 100% natural product versus denatured keratin used in other commercial products – Developed with you in mind, Dr. Mercolas physician formulated products are only made with ingredients that meet our premium quality standards. Established in 1997, we have been a trusted source in natural health for over two decades