I want to declutter my stock shelf, so I'm selling a set of 3. I purchased these around May of this year. High-Concentration All-in-One Serum Contains Retinol Derivative 100g Retail Price: ¥2,990 [Product Description] This skincare series is made with 100% natural ingredients. It contains a high concentration of retinol derivative and provides firmness and elasticity to skin concerned about aging signs such as dryness. This moisturizing gel combines the functions of lotion, emulsion, and serum, making skincare easy after washing your face. ◎How to use: After washing your face, take an appropriate amount in your palm and apply it to your entire face. Please use sunscreen if using during the day. [Product Features] ・Provides firmness and elasticity to skin concerned about aging signs such as dryness. ・Contains 0.1% retinol derivative. [For those with these skin concerns] ・Those concerned about lack of firmness in their skin ・For dry skin ・For skin lacking transparency [Recommended amount to use] Take 1-2 pumps in your hand and apply it to your entire face.