: Just as folding a piece of paper in the same spot eventually creates a permanent line, repetitive facial expressions (smiling, squinting, frowning) lead to dynamic lines that eventually become "etched" into the skin as static wrinkles.
: The skin around your eyes is exceptionally delicate—roughly the thickness of five sheets of paper ( <0.5is less than 0.5 mm)—making it the first area to show signs of aging. prevent fine lines
Dermatologists often use paper to explain how skin aging works: : Just as folding a piece of paper