Elasticity:Skin elasticitymay begin to decline (during one's 20s). Some studies have looked at whether collagen supplements can help with these effects. A study had women ages 35 to 55 take either a collagen supplement (Type I collagen) or a placebo once daily for eight weeks. At the end...
Type 5/Type V:This type is needed to make the surface of cells, as well as hair strands and tissue found in women’s placentas (the organ that develops in the uterus during pregnancy, provides oxygen and nutrients to the growing baby, and removes waste). ...