Kiehl’s DS RTN Renewing Serum, 50ml

An anti-aging serum containing micro-retinol, born from dermatology, is finally here! Retinol, a type of vitamin A known as a useful ingredient in anti-aging, reduces the appearance of dry fine lines and works on signs of aging. Kiehl's has developed a unique formula that allows you to enjoy aggressive care while reducing the burden on your skin! This Retinol Renewing Serum, which is focused on feeling good and comfort, addresses the loss of firmness and the appearance of dry fine lines. It should be useful for care when you start to notice changes in your skin problems. Pure retinol. skin conditioning ingredient. Care that gives a firmness that suits your age Reduces the appearance of fine lines caused by dryness. Firmness, luster, uneven texture, lack of transparency Notes in product images. * Skin conditioning ingredient

For daily skincare, after applying lotion, apply 2-3 pumps to the entire face, then follow with cream or lotion. We recommend using it at night. Avoid using on the upper eyelids and lips, where the skin is particularly thin. Be careful not to get it in your eyes. Use 1 pump on the neck and décolleté. When using in the morning, be sure to use sunscreen. *Do not use while pregnant or breastfeeding. *Do not use if your skin is particularly sensitive or immediately after laser or wax treatment. [For customers experiencing retinol*1 for the first time] - Start with a small amount every two days to allow your skin to comfortably become accustomed to retinol*1. After that, use once a day while monitoring the condition of your skin. If you are concerned about irritation, we recommend using it after cream.