Lifeplan's Hair, Skin and Nails is formulated with a herbal base of Kelp, Horsetail, Echinacea and Aloe Vera, plus targeted micronutrients to help support your hair, skin and nails day to day. Selenium and Zinc contribute to the maintenance of normal nails. Iodine, Niacin and Riboflavin contribute to the maintenance of normal skin. While Biotin contributes to the maintenace of normal hair and Copper contributes to both normal hair and skin pigmentation. Registered with the Vegan Society.