Silica Hi-Tan is an advanced food supplement that will complement your daily beauty regime and help support your body from the inside out. It contains selected vitamins and minerals and other nutrients in a balanced combination, including copper which helps to support skin pigmentation. Other ingredients include mixed carotenoids, carrot extract and L-tyrosine, a co-factor for melanin in the skin. Vitamin C contributes to normal collagen formation for the normal function of the skin; selenium and zinc contribute to the maintenance of normal hair and nails whilst biotin contributes to the maintenance of normal hair and skin. Silica Hi-Tan is an advanced food supplement that will complement your daily beauty regime and help support your body from the inside out. It contains selected vitamins and minerals and other nutrients in a balanced combination, including copper which helps to support skin pigmentation. Other ingredients include mixed carotenoids, carrot extract and L-tyrosine, a co-factor for melanin in the skin. Vitamin C contributes to normal collagen formation for the normal function of the skin; selenium and zinc contribute to the maintenance of normal hair and nails whilst biotin contributes to the maintenance of normal hair and skin.