What Causes Wrinkles
As we age, our skin cells begin to divide more slowly and the dermis, the inner skin, starts to thin. We also begin to see a decrease in the production of collagen, elastin and hyluronic acid. These natural substances are what provide the skin with structure and volume for a youthful, healthy appearance. The skin's ability to retain moisture also diminishes, sweat glands and oil-secreting glands degenerate all of which results in a dry, scaly dehydrated appearance. As a result of all these factors, the skin loses it's elasticity and forms wrinkles.
Wrinkles also result because ageing diminishes the skin's ability to repair itself. Frown lines and crow's feet are a results of constant small muscle movements and contractions. Habitual facial expressions also form characteristic lines and contribute to the formation of jowls and drooping eyelids.
Prolonged exposure to UV radiation from the sun results in premature aging and irreversible skin damage. 90% of the symptoms of premature skin ageing is a direct result of exposure to ultraviolet radiation from the sun. Protecting the skin from sun damage is one of the most important ways to reduce wrinkles and prevent skin cancer.
Other environmental factors, including cigarette smoke and pollution, speed up ageing by producing free radicals. Rapid weight loss can also cause wrinkles by reducing the volume of fat cells that cushion the face.
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