Retinol is a key active ingredient in combating skin ageing, blemishes, and dark spots. It stimulates the synthesis of collagen and elastin, fibrous proteins present in the dermis that are essential for skin firmness and elasticity, and accelerates cell renewal. While retinol is effective on its own, it can also be combined with other active ingredients to enhance its benefits or improve its tolerance. Discover here which ingredients retinol can be paired with.