As people age,
the skin gains fat.
there is less collagen and elastin in the skin.
skin cells are replaced much more quickly.
there is more collagen and elastin in the skin.

As people age,

- there is less collagen and elastin in the skin.
With age, the levels of collagen and elastin - two proteins that give firmness and elasticity to the skin - diminish. This phenomenon causes the appearance of wrinkles and fine lines on the contour of the eyes.

Carbohydrates,fats and proteins