Samples received at the time of purchase. I'm selling them because I can't use them all. How about giving them a try? Set of 2 + 1.5ml sachet ◼︎ Kiehl's DS RTN Renewing Serum (serum) ◼︎ Kiehl's / Kiehl's ◼︎ Where purchased｜Kiehl's official online store ◼︎ Retail price｜13,970 yen (tax included) *50ml 〈Official Website〉 ◼︎ Product Details Zero distance, no processing needed. Achieve poreless-looking skin*¹ with retinol serum! This serum combines unique technology to deliver the effects of retinol*² while minimizing irritation*⁴. It contains a luxurious blend of ingredients in a golden ratio to address the appearance of pores and firmness, leading to poreless-looking skin that can withstand "zero distance" scrutiny. *1 By moisturizing the skin and smoothing its texture *2 Retinol (skin conditioning ingredient) *3 Inhibits melanin production and prevents spots and freckles *4 Dryness ◼︎ How to Use For once-a-day care, apply 2-3 pumps to the entire face after toning with lotion, then moisturize with cream, etc. Can be used under the eyes, around the eyes, and on the neck, where the skin is thin. Also, avoid the upper eyelids and lips, where the skin is particularly thin, and be careful not to get it in your eyes. Can also be used on the neck and décolletage; use one pump as a guide. For customers experiencing retinol* for the first time ・Start with a small amount once every two days and gradually acclimate your skin to retinol*. Then, use once a day, depending on your skin condition. ・If irritation is a concern, it is recommended to use it after applying cream. ・Please read the instructions for use and precautions carefully. * Retinol (skin conditioning ingredient) ※ It is recommended to refrain from using this product if you are pregnant or breastfeeding, or if your skin is particularly sensitive, such as immediately after waxing or laser treatment.