Wrinkles
Wrinkles
Wrinkles (/ˈrɪŋkəlz/), also known as rhytides, are folds, ridges or creases in the skin that primarily appear as a result of aging processes. The development of wrinkles is considered a common sign of skin aging.
Etymology
The term "wrinkle" is derived from the Old English word wrincle, which means "to twist or bend". It has been in use since the 15th century.
Causes
Wrinkles are caused by a variety of factors. The primary cause is the natural aging process. As people age, skin cells divide more slowly, and the inner layer of skin, known as the dermis, begins to thin. This thinning causes the skin to lose its ability to retain moisture, elasticity, and flexibility. Other factors that contribute to the formation of wrinkles include sun exposure, smoking, dehydration, and certain medications.
Sun exposure is the most significant cause of wrinkles, especially for fair-skinned people. Other factors, such as pollutants and smoking, also contribute to wrinkle formation. Smoking accelerates the aging process and leads to early wrinkles. This is due to the nicotine that causes narrowing of the blood vessels in the outermost layers of your skin. This impairs blood flow to your skin. With less blood flow, your skin doesn't get as much oxygen and important nutrients, such as vitamin A.
Types of Wrinkles
There are three main types of wrinkles: surface lines, deep furrows, and static wrinkles. Surface lines are small, fine lines on the skin's surface. Deep furrows are deeper lines or folds in the skin. Static wrinkles are lines or folds that are present at all times, even when the face is at rest.
Prevention and Treatment
Prevention of wrinkles includes avoiding excessive sun exposure, using sun protection, not smoking, staying hydrated, and using moisturizers. Treatments for wrinkles include topical retinoids, Botox injections, dermal fillers, laser resurfacing, chemical peels, and microdermabrasion.
See Also
External links
- Medical encyclopedia article on Wrinkles
- Wikipedia's article - Wrinkles
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