Brand new, unopened. This item was purchased from the official account. It arrived in December 2025. Retail price: 8,250 yen - Brand: Dr. K - Product name: ABC-G repair serum - Contents: 25ml - Made in Japan Formulated with a pro-drug concept that converts a highly stable and gentle retinol derivative* within the skin using enzymatic action to deliver its effects. It also contains a cocktail of beneficial ingredients for beautiful skin: niacinamide*, vitamin C*, and glutathione* to enhance transparency*. Furthermore, to efficiently lead to beautiful skin, it contains glycolic acid* to soften the stratum corneum, human-type ceramide* to give firmness to the stratum corneum cells, and mandarin clear*. While formulated to minimize retinoid reaction (A reaction), it leads to skin like a peeled egg. *Returns are not accepted to prevent product substitution, etc. *Please refrain from purchasing if you are overly concerned about details. We will pack it compactly for shipping. Depending on the thickness, we may not use cushioning material.