Wrinkle
Skin is composed of three distinct layers: the epidermis (the outer visible layer), the dermis and the subcutaneous layer. The epidermis is given its supple texture and appearance with the help of two substances that occur naturally in the dermis: a fiber called elastin and a protein called collagen. These two, along with fat stored in the subcutaneous layer, give skin its youthful, smooth appearance.
However, as we age, the dermis begins to lose both collagen and elastin and the subcutaneous layer begins to lose fat. As a result the skin becomes thinner and the epidermis, less able to retain moisture and vital natural oils, begins to sag. The sagging in the epidermis results in visible wrinkles.
There is no set timetable for the appearance of wrinkles on the skin. It varies from person to person depending on factors such as heredity, diet, personal skin care and environmental conditions.
Other Causes of Wrinkles
Along with the natural aging process, there are other factors that can play a significant role in the development of wrinkles.
Excessive exposure to the ultraviolet rays of the sun is one major cause. The ultraviolet radiation tends to damage collagen and to promote the creation of abnormal elastin. As the body creates new collagen some of it is damaged, causing scarring which, in time, manifests itself on the epidermis as wrinkling.
Continued...
By Michael Willis
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