About this product: Contains 0.1% retinaldehyde (an advanced form of retinol) and A-Shot technology, allowing it to penetrate directly into pores, enhancing absorption and delivering retinaldehyde deep into the skin. This effectively improves wrinkles and enlarged pores, leaving skin smoother and firmer. This innovative skincare product uses liposomal retinaldehyde and Matrixyl technology to address skin concerns such as wrinkles, uneven skin texture, and enlarged pores. A fine microparticle ingredient, 16 times finer than pores, penetrates directly into pores, enhancing the absorption of active ingredients. Through high-purity separation and refining, the particle size is uniform, reducing skin irritation. Containing a high concentration of retinaldehyde (a more advanced form than retinol) and Matrixyl, just one drop provides deep elasticity to problem areas such as wrinkles or enlarged pores. If you are using retinol or retinaldehyde, use every other evening for the first two weeks. Apply a small amount to the affected area. If irritation occurs, reduce the amount and frequency of use and use a moisturizer containing soothing ingredients. After use, retinol may cause a slight yellowing of the skin, which can be completely washed off. Avoid contact with eyes and wash hands thoroughly after application. This product is for nighttime use only; apply sunscreen the following day. Applying too much at once may cause skin irritation.