This is Lancôme's "Rénergie CRX Triple Serum RT" 50mL. This serum combines retinol and vitamin C, which are known to be difficult to stabilize. It contains three beauty ingredients: pure vitamin C, pure retinol, and X-peptide. It addresses aging signs such as stubborn wrinkles, pores, and sagging skin, providing firmness, moisture, and smoothness. It can be used morning and night, and the fresh formula works on the skin every time you use it. The price is 27,830 yen (tax included). Purchased at a duty-free shop. Box has a dent. Please see the profile for details.