Strong hair & nails start with good health. The Satara® OPTI formula fuses biotin with a proprietary blend of botanicals designed to fortify nails and support the growth of healthy, full, naturally radiant hair. With borage oil, horsetail herb, vitamin E, dandelion root, nettle leaf extract, and biotin. Simply take 2 softgels every day with a glass of water, preferably with breakfast or early in the day for optimal absorption.