A closer look at skin problems that effect different parts of the body: the eyes, forehead wrinkles, cheeks, neck, legs… Here’s a rundown on the biology of skin, both zone by zone, as well as by age group. There’s a huge difference between the skin of a 25 and 45 year-old, meaning its needs vary. We need to use the most efficient treatments and age-defying beauty regimes on all parts of the body!