Elastin: Elastin is a protein of the structural type fibrous protein family.
Secreted by fibroblasts mainly during the growth period, it has elastic properties which explain why the skin resumes its initial shape after pinching or stretching.
Its synthesis decreases with age and elastin is replaced by inextensible collagen.
Wrinkles and stretch marks are a visible example of this process, which is linked to stress...
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