Eternum Co., Ltd. Eternum BC Concentrate A 15mL New, Unopened I also have other Eternum products for sale. If you wish to purchase multiple items, please contact me in the comments. Formulated with the highest concentration* of human umbilical cord-derived mesenchymal stem cell culture supernatant in the series. Simply add it to your skincare routine as the first step after washing your face to address various skin concerns. This concentrated booster serum awakens the skin's natural power and enhances beauty with each use. It focuses on addressing skin concerns with the power of "human umbilical cord-derived mesenchymal stem cell culture supernatant × 3 types of vitamins." ・When you notice changes such as dullness, fine lines, and pores caused by dryness ・During seasonal changes when the skin is under stress ・When you start to feel unsatisfied with your daily skincare routine Simply incorporating this product into your routine after washing your face will enhance your daily skincare. The series' highest concentration*1 of human umbilical cord-derived mesenchymal stem cell culture supernatant intensively addresses all signs of aging*2. The supernatant obtained through a unique culture medium is rich in a wide variety of cytokines and exosomes. Beneficial ingredients work comprehensively on skin concerns such as "firmness," "radiance," "tightening," "moisturizing," "pore care," and "softening the skin." Formulated with 3 types of vitamins to enhance skin beauty. ➀ Retinyl Palmitate (Vitamin A derivative): An oil-soluble ingredient also known as protective retinol. It delivers retinol effectively to the skin while minimizing irritation. Supports firmness and elasticity. ➁ Niacinamide (Vitamin B3): A water-soluble ingredient that is easily absorbed by the skin, prevents dryness, and gives the skin firmness. It is also a well-known ingredient for preventing skin irritation. ➂ Tetrahexyldecyl Ascorbate (Vitamin C): An oil-soluble "Vitamin C derivative" that is easily absorbed*. Vitamin C cannot be produced in the body and addresses not only moisturizing but also damage from UV rays comprehensively.