◎ Supervised by a Korean Beauty Clinic Director [ Carbonated Bubble Introductory Serum Eggshell Membrane Korean Niacinamide ] NANO-STEP SERUM contains a high concentration of niacinamide. It is characterized by its ability to take a multifaceted approach to skin problems such as spots, dullness, fine wrinkles, and noticeable pores. Also, since over 98% of the product consists of beauty ingredients, it delivers the necessary moisture and firmness to the skin. Brand: ESIENCE Product Name: NANO-STEP SERUM Features: 90% penetration Ingredients: Hyaluronic acid, Retinol Country of Manufacture: MADE IN JAPAN Thank you for viewing. This is a new, unused item, in excellent condition as it has just arrived. However, please refrain from purchasing if you are sensitive to storage at home. This is a set of 2 ◎ Immediate purchase is welcome. Thank you very much. m(_ _)m