Tretinoin vs Retinol: Why the OTC Version Works Differently
Tretinoin is already active retinoic acid while retinol must convert first.
Simone Osei
Contributing Editor
Simone Osei
Simone Osei is a contributing editor at The Patient Brief covering skincare ingredients. Based in Nairobi, Simone has written for The Patient Brief since 2017.
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