As we age, our skin tends to become thinner. This happens when the collagen in the skin decreases and its elasticity decreases. Regular intake of vitamins and minerals can help support natural beauty from within. Tablets Doppelherz aktiv Kollagen 1000 + Biotin 500μg + Q10 contain 1000 mg of collagen hydrolyzate plus 10 mg of hyaluronic acid, in combination with vitamins C and biotin, as well as trace elements copper and manganese. They also contain coenzyme Q10. Collagen is an important structural protein of the skin. It is primarily found in the connective tissue. Biotin contributes to the preservation of normal skin. Vitamin C contributes to normal collagen synthesis for normal skin function. Copper contributes to normal skin pigmentation. Manganese and copper contribute to the normal formation of connective tissue. Manganese, copper and vitamin C also contribute to the protection of cells from oxidative stress. Doppelherz aktiv Kollagen 1000 + Biotin 500μg + Q10 tablets are gluten and lactose free.