Tretinoin is topical retinoic acid, a vitamin A derivative that increases skin cell turnover. It’s the most potent topical retinoid (more on that below). It helps to shed dead skin cells and ...

Topical retinoids (for example, tretinoin) and retinoid analogues ... activities by interacting with nuclear receptors (RARs [retinoic acid receptors] or RXRs [retinoic X receptors]) on cells ...

Retinoids are a family of compounds that are derived from vitamin A. They are known for their skin benefits, including reducing the appearance of fine lines and wrinkles, improving skin texture ...

Retinol breaks down to retinoic acid on the skin ... Unlike some retinoids that require a prescription — like tretinoin — you don’t need a dermatologist to buy retinols.

Why retinoic acid is effective in this setting but not against primary tumors, has been speculated about for nearly 50 years. Scientists resolved the mystery, showing the drug 'hijacks' a normal ...