About this itemInfused with 0.1 percent retinal, the advanced form of retinol, combined with A-Shot, designed to directly penetrate pores and enhance absorption, delivers retinal deep into the skin to target wrinkles and enlarged pores, promoting smoother and firmer skin.Innovative skin care product with liposomized Retinal and Matrixyl that addresses skin concerns such as wrinkles, uneven texture and enlarged pores.A refined micro-particle ingredient, 16 times thinner than pores, is designed to penetrate directly into pores and enhance the absorption of active ingredients. Through high-purity separation and refinement, the particles are uniformly sized, reducing skin irritation.Infused with high concentrations of retinal, a more advanced form than retinol, and MATRIXYL, just a single drop provides deep elasticity to troubled areas such as wrinkles or enlarged pores.If you are to using retinol or retinal, apply it every other night for the first two weeks. Apply a small amount to the targeted areas. If irritation occurs, reduce the amount and frequency, and use a moisturizer containing soothing ingredients. The retinal may cause your skin to appear slightly yellow after application. It will wash off completely with cleansing.Avoid contact with eyes, and wash your hands thoroughly after application. This product is for Night Time use only, and sunscreen must be applied the following day. Applying too much at once may cause skin irritation. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.