This high-strength, low-irritation serum has been proven to soften fines lines, improve pigment problems and revitalise skin. A water-free solution, this stars a 2% concentration of advanced retinoid active ‘Granactive Retinoid’, which has been shown to defy ageing without any of the irritation commonly caused by retinol use. This is The Ordinary’s moderate strength formulation, for a higher version, try {Granactive Retinoid 5% in Squalane}.