The content of collagen in the skin determines whether the skin is smooth and delicate, and determines whether the human skin is young  The skins of men and women of the same age contain the same amount of collagen  Women are better at maintenance and can improve skin collagen from daily maintenance
Only food like tendons are rich in collagen, but they are difficult to be digested and absorbed by the human body.
 Still, women are more vulnerable to aging than men