تحسين نظام تزييت لمطحنة الكرة براثن لمطحنة الكرة Introduction. Aging is a complex, multifactorial process that affects every organ in the body, including the skin. 1,2 Clinically, aged skin is characterized as thin, dry, and pale, with noticeable wrinkles and decreased elasticity. 3,4 The histological ...