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Q.

Which product is better, collagen or retinol?

Related Topics: Collagen, Vitamin A
 

Answers From Experts & Organizations (1)

Dermatology
New York University
318 Answers
1,816 Helpful Votes
39 Followers
A.

There is no collagen product that when applied to the skin will penetrate and remain as intact collagen. The molecule is simply too large. However topical collagen can be a really good moisturizer. Products with retinoids like retinol or retinyl propionate can affect deeper layers of skin by stimulating collagen production.

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Read the Original Article: WebMD Ask the Dermatologist: Antiaging Skin Care