What does collagen and keratin must do with my skin care? Collagen is the principle protein present in connective tissues. It makes up 25-35% of the protein content material of your complete body. It is also quite unique when compared…
What does collagen and keratin must do with my skin care? Collagen is the principle protein present in connective tissues. It makes up 25-35% of the protein content material of your complete body. It is also quite unique when compared…