The collagen-rich foods include animal skin, poultry wings and claws, and animal calves, tendons, fascia, cartilage, etc., as follows: 1, animal skin: animal dermis is rich in collagen, such as pig skin, cow skin and other livestock skin, chicken skin, duck skin and other poultry skin, and fish skin, etc., are rich in collagen. 2, poultry wings and claws: such as chicken wings, chicken claws, duck paws, duck 3, animal calves: such as pig calves, sheep calves, cow calves. 4, animal tendons, fascia: such as brisket, beef tendons, deer tendons, pig feet, etc. 5, animal cartilage, jawbone, bones: such as chicken skeleton, duck femur, fish head, fish bones, beef, mutton, fish bones, cow bones, sheep bones, etc. 6, fish: fish collagen content is particularly high, especially deep-sea fish, so you can more 7, animal muscle: animal muscle also contains a lot of collagen inside, you can eat collagen in lean meat, can be a good supplement. So, it is very easy to ingest collagen in daily life, income collagen egg more, relatively will have a better whitening, beauty effect.