The Ordinary Retinal 0.2% EmulsionThe Ordinary Retinal 0. 2% Emulsion, a high strength retinoid formula that rapidly firms, smooths, and rejuvenates your skin. With a 0. 2% concentration of retinal, this serum targets dark spots, refines skin texture, and boosts luminosity for a brighter, more even looking complexion. Suitable for all skin types, this serum is your key to a youthful and radiant skin transformation.