Read This Before You Use a Retinol
A lot has changed in the last 20 years, but retinol is still the go-to ingredient for anti-aging skin care. Here's everything you need to know
Retinoid: The blanket term for all vitamin A derivatives in skin care.
Retinoic acid: The ingredient you'll find in prescription retinoids.
Retinol: The over-the-counter version. Your skin converts retinol to retinoic acid.
Retinyl palmitate: A combination of retinol and palmitic acid. It's the gentlest ingredient in the retinoid family.
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