WHAT IS A RETINOID VS. RETINOL?
Retinoids are vitamin A derivatives that are converted into the active ingredient, retinoic acid, for use in skincare. A Retinoid is an umbrella term for over-the-counter (OTC) retinol and prescription retinoids, such as Tretinoin. OTC retinol is not biologically available to the body, meaning it has to be converted into retinoid acid (Retin-A) by the […]
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