Azelaic Acid delivers antimicrobial, anti-inflammatory, antioxidant and keratolytic action, helping normalise keratinisation, reduce bacterial proliferation and inhibit the tyrosinase activity involved in pigment formation, while Saccharide Isomerate, a plant-derived carbohydrate complex, binds to the skin's keratin much like the skin's natural moisturising factors for long-lasting hydration and healthier barrier function.