Dark spot serum formulated with niacinamide and vitamin C to improve skin brightness. - Product Name: Biome Vita C Dark Spot Serum - Ingredients: Niacinamide 4%, 3-O-Ethyl Ascorbic Acid 1%, Acetyl Glucosamine 2% - Volume: 30ml Please note that this will be sent with simple packaging up to 3cm. It will be placed directly into a Yu-Packet Post Mini envelope. If placed in an OPP bag ➜ +10 yen for packaging If reinforced with bubble wrap ➜ +400 yen for shipping *Please contact me before purchasing to adjust the price. <Frequently Asked Questions> ・Can you lower the price? → Only when purchasing multiple items. ・When will you ship? → I ship regularly within the deadline. ・When was it purchased? → I don't remember. ・I want to buy it. → No need to comment, just purchase. <Other> I do not negotiate prices for single item purchases. I will block those who appear not to have read the product description. Please refrain from "liking" items to wait for a price reduction, as you will receive notifications. Silent purchase is OK. Greetings are also omitted. Korean cosmetics, Yuik, blemishes, serum