The Ordinary Retinal 0.2% EmulsionThe Ordinary's Retinol 0. 2% in Squalane is a water free solution that contains a 0. 2% concentration of pure retinol, an ingredient known for its ability to reduce the appearance of fine lines, photodamage, and general skin aging. Squalane, a plant derived emollient, is included in the formula to help maintain skin hydration and suppleness. This product is designed to be used in the evening as part of your skincare routine, after water based serums