Hello. Thank you for visiting our store, we buy things in a licensed pharmacy in the European Union. The formula is specially adapted for hair - zinc, selenium, especially large amounts of biotin and silicon obtained from bamboo. Silicon does not stimulate hair growth, but by supplying the hair follicles with essential nutrients, it strengthens the hair and protects it from loss. The main ingredient is silicon, obtained from a natural source - bamboo steam. Silicon takes care of our appearance - ensures healthy hair, nails and skin and slows down the aging process. The main ailments that occur with silicon deficiency are deterioration and hair loss, cracking and splitting of nails, dry skin and subtle changes. Silica hair gummies contain high levels of biotin, the #1 vitamin your hair needs. This vitamin helps nourish hair follicles, maintain hair structure, and help prevent hair breakage and hair loss.* Zinc and biotin help maintain healthy hair. Copper promotes normal hair pigmentation.** Zinc and biotin help maintain healthy skin.*** Zinc and selenium help maintain healthy hair. Zinc, copper and vitamin E help protect cells from oxidative stress.