Renuvaline speed with which each of us is ageing relies upon on many of our genes. The process of organic ageing is organic and irreversible, it is impossible to resist it. Premature ageing relies upon on the experience of various internal and external ... >> Part . Framework and function of the skin. Wrinkles, loose skin, bags and sectors under the sight Skin is the largest organ of one's human body system. Its area is . - m . It is approximately % of bodyweight. Providing proper skin proper care is in many respects a pledge of the regular functioning of one's human body as a whole.