[Kiehl's DS RTN Renewing Serum] For daily care, after toning with lotion, apply 2-3 pumps to your entire face, then moisturize with a cream or other product. It can also be used on the delicate skin under the eyes, around the eyes, and on the neck. However, be careful not to get it in your eyes, as the skin is especially thin on the upper eyelids and lips. It can also be used on the neck and décolleté; use approximately 1 pump. For customers experiencing retinol* for the first time: Start with a small amount every other day to allow your skin to comfortably adjust to retinol*. Then, use it once a day while observing your skin's reaction. If you experience irritation, we recommend using it after a cream. Please read the instructions and precautions carefully before use. * Retinol (skin conditioning ingredient) ※We recommend refraining from using this product if you are pregnant, breastfeeding, or if your skin is particularly sensitive, such as immediately after waxing or laser treatment. [Kiehl's Cream UFC] After cleansing your face in the morning and evening, and after preparing your skin with toner and serum, take a pearl-sized amount (about 8mm in diameter) into your hand and place it in five dots on your forehead, both cheeks, nose, and chin. Gently spread the cream over your entire face to reduce friction on the skin while delivering moisture* to your entire face. After applying to the entire face, press the cream into your skin with your hands to help it penetrate deeper*. Apply an extra layer to areas that are particularly dry for thorough hydration. *Up to the stratum corneum [Kiehl's DS Pre-Serum] For daily morning and evening care. After cleansing your face and removing any water droplets, take one dropperful and gently apply it to your entire face. Afterwards, prepare your skin with toner, serum, and cream. If using during the day, be sure to apply sunscreen. It is also recommended to use it in combination with Kiehl's whitening* line. *Since exposure to ultraviolet rays may irritate the skin, we recommend applying sunscreen when using in the morning. Because it may irritate the skin, we recommend refraining from using this product in combination with the following products: Kiehl's Brew Facial Essence FA, Kiehl's DS Line Milk Peel Toner, Kiehl's DS Line Concentrate 12.5C, and Kiehl's DS RTN Night Concentrate.