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We usually define skin by what we see: our pigmentation, age spots, moles - and wrinkles. Yet there's much more to skin than meets the eye. As you age, the dermis thins. Ultrasound and X-rays reveal that dermal thickness increases until age 20, then declines progressively, losing approximately 20% of its peak thickness, says Sheldon Pinnell, MD, who teaches dermatology at Duke University. "Wrinkles are a surface reflection of changes in dermal structure," he says. In the realm of anti-aging skin care, the name of the game is preserving and regenerating the underlying structure of your skin - collagen, which weakens with age, and elastin, whose fibers become less flexible. Keep a positive attitude, eat plenty of antioxidant-containing fruits and veggies, don't smoke, and rely on the revitalizing effects of natural beauty products as you grow older gracefully.
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