It seems that retinol is the “trend” that has surpassed the typical short lifespan of boom-and-bust skincare fads, sticking around for the long haul (and there’s a reason why). Decades after its debut, retinol has remained in the spotlight of dermatology. From how and when to use it, to how it interacts with other active ingredients and whether it’s suitable for sensitive or rosacea-prone skin, retinol continues to spark curiosity and confusion in equal measure. Consider this a clear, dermatologist-backed guide to understanding why retinol is a fan-favourite, and how to use it correctly. At its core, retinol works by accelerating skin cell turnover and stimulating collagen production. This creates…