4-Zoology-Organ-Skin-Features-Wrinkle

wrinkle

Collagen makes skin firm, and lack makes skin thin {wrinkle}. Elastin makes skin flexible. Glycosaminoglycans absorb water. Retinol, retin-A, or retinoin can prevent wrinkles by stimulating collagen production.

crow's feet

Wrinkles {crow's feet}| can be at outer eye corners.

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Date Modified: 2022.0225