Wrinkle

An elderly woman showing facial wrinkles

A wrinkle is a fold, ridge or crease in the skin, similar to those that can form on the surface of fabric. The medical term is rhytide.

Causes

Skin wrinkles are common as a result of aging ,^[1] reoccurring sleeping positions,^[2] loss of weight, or as the result of being under water for long periods of time. Age wrinkling in the skin is affected by constant facial expressions, aging, sun damage, smoking, poor hydration, and various other factors.^[3]

Wrinkle Media

Wrinkles on the face and hands are a typical sign of aging
A wrinkled finger after a warm bath
Adult sole showing water immersion wrinkling
A man receiving a botox injection

References

↑ Danby, FW (Jul–Aug 2010). "Nutrition and aging skin: sugar and glycation". CLN Dermatol. 4. 28 (4): 409–411. doi:10.1016/j.clindermatol.2010.03.018. PMID 20620757.
↑ American Academy of Dermatology. "Causes of Aging". AgingSkinNet. American Academy of Dermatology. Retrieved 5 March 2013.
↑ Anderson, Laurence. 2006. Looking Good, the Australian guide to skin care, cosmetic medicine and cosmetic surgery. AMPCo. Sydney.

[1] Danby, FW (Jul–Aug 2010). "Nutrition and aging skin: sugar and glycation". CLN Dermatol. 4. 28 (4): 409–411. doi:10.1016/j.clindermatol.2010.03.018. PMID 20620757.

[2] American Academy of Dermatology. "Causes of Aging". AgingSkinNet. American Academy of Dermatology. Retrieved 5 March 2013.

[3] Anderson, Laurence. 2006. Looking Good, the Australian guide to skin care, cosmetic medicine and cosmetic surgery. AMPCo. Sydney.

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