Collagen helps maintain skin elasticity, hydration, firmness, & help reduce wrinkles & signs of aging. It's the most abundant protein in the human body. & this one has 5 different types of collagen! But not only does it improve your skin. It also helps with the health of your hair, nails & bones. It has biotin, vitamin c, hyaluronic acid. Like you NEED this stuff. LTKActive LTKBeauty LTKFindsUnder50