Dietary supplement collagen can eat more skin belly, pig’s trotters, this kind of food is rich in collagen, good for the skin, can increase the elasticity of the skin, so that the skin is more polished, tender and white elasticity, help skin care and skin care. Collagen is still mainly in the skin of animals, you can eat more animal skin in moderation, which helps to increase the content of collagen in the organism. If usually seafood is not allergic, you can also eat more seafood, such as you can eat some sea cucumbers, fish, shrimp, all have a certain role in replenishing collagen. If the skin is not good, first need to see a dermatologist to check, specifically to see which element is lacking, and then give appropriate supplementation.