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wrinkle
Sign in to saveAlso known as rhytide, Rhytidosis, wrinkles
thumb|right|Wrinkles on the face and hands are a typical sign of aging
Wrinkles are creases and folds that form on the skin, typically appearing on the face and hands as people age. They matter because they're one of the most visible signs of aging and can affect how people feel about their appearance.
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~12 min read
Article
14 sectionsContents
- Skin
- Causes for aging wrinkles
- Sleep wrinkles
- Low-friction pillowcases
- Other animals with wrinkles
- Techniques for reducing the appearance of aging wrinkles
- Retinoids
- Glycosaminoglycans
- Injectable fillers
- Neuromodulators
- Photorejuvenation
- See also
- References
- External links
thumb|right|Wrinkles on the face and hands are a typical sign of aging
A wrinkle, also known as a rhytid, is a fold, ridge or crease in an otherwise smooth surface, such as on skin or fabric. Skin wrinkles typically appear as a result of ageing processes such as glycation, habitual sleeping positions, loss of body mass, sun damage, or temporarily, as the result of prolonged immersion in water. Age wrinkling in the skin is promoted by habitual facial expressions, aging, sun damage, smoking, poor hydration, and various other factors. In humans, it can also be prevented to some degree by avoiding excessive solar exposure and through diet (in particular through consumption of carotenoids, tocopherols and flavonoids, vitamins (A, C, D and E), essential omega-3-fatty acids, certain proteins and lactobacilli).