The group of ingredients known as retinoids - all derived from vitamin A - has long been the gold standard when it comes to clinically proven anti-ageing benefits.
Originally prescribed by dermatologists to treat acne, the discovery that it could also soften lines and even out skin tone made the beauty industry take note, beginning in the 80s with creams, oils and serums aimed at women who wanted to retain or regain a youthful complexion.
