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- RaineLv 77 years agoFavorite Answer
COSMETIC APPLICATIONS
Collagen from a wide array of animal sources is used in cosmetic formulations to help moisturize and plump human skin cells. In "Handbook of Cosmetic Science and Technology," author Marc Paye reports that while beef and pork collagen still top the list of animal-sourced proteins in cosmetics, marine collagen is becoming an increasingly attractive alternative. Growing concern about infectious agents such as foot and mouth disease, bovine spongiform encephalopathy and viral infections in beef collagen has helped to accelerate the switch to marine collagen, according to "Animal Cell Technology: Basic & Applied Aspects."
