Medically reviewed by Lindsay Cook, PharmD Retinoids have been around for over 50 years and are effective at improving the ...

SKIP AHEAD What is retinol? | How we picked the best retinol products of 2025 | The best retinol products | The best retinoid products | Why trust NBC Select? Derived from vitamin A, retinol is an ...

Your skin can only utilize retinoids in the form of retinoid acid. The more steps required for that conversion to take place, the more gentle and less irritating the product is, explains Khalifian.

People build their skin-care routines around their beloved tretinoin (the common prescription retinoid), swapping tips for the dreaded adjustment period (moisturizer first, for slower absorption ...

Clinicians should consider using a topical retinoid for first-line management for acne treatment (Wolf, 2002). It reverses thickening of the stratum corneum and the abnormal desquamation of ...

What is Differin? Differin is an acne-fighting gel that contains 0.1% adapalene — a powerful, prescription-strength retinoid that targets blackheads and whiteheads and prevents future blemishes.

“HPR is a next-generation retinoid that harnesses excellent efficacy – it’s the over-the-counter version of tretinoin (which is only available on prescription) and has a much-improved ...

Retinol is just one type of retinoid but it’s the most widely used so “retinol” and “retinoid” often (incorrectly) get used interchangeably. Studies show the active does two clever ...

“Skin purging” is a term some people use to describe an increase in acne after starting a new skin care product, such as a retinoid. However, there are no scientific studies on this topi ...

Topical retinoids (for example, tretinoin) and retinoid analogues (for example, adapalene and tazarotene) help normalize hyperkeratinization and have demonstrated significant anti-inflammatory ...