Obagi Obagi C25 Serum Neo 12ml, 3 pieces Authentic, unopened, brand new Purchased January 2024 Price is not negotiable. [Secure Anonymous Delivery] Anonymous product delivery through a system collaboration between Yamato Transport and BOOTH. [How to Use] Obagi C25 Serum Neo addresses multiple concerns, including pores*1 and dullness*2, as well as fine lines caused by dryness around the mouth*3, which become more noticeable with age. It moisturizes the skin, leading to clear*4, firm, and radiant skin. Newly formulated with Advanced C Control. High-penetration formula has been improved. *Extreme: Contains the highest concentration of ascorbic acid (skin conditioning and moisturizing ingredient) in the Obagi series. *1: Provides moisture, leading to smooth skin with less noticeable pores. *2: Due to dryness. *3: Reduces the appearance of fine lines caused by dryness (efficacy tested). *4: Refers to skin that is moisturized and has a refined texture and luster, with less noticeable pores. Amount to use per application: 4-5 drops How to use: In the morning and evening, after preparing your skin with toner, take an appropriate amount (4-5 drops) into your palm and apply it to your face. [Regarding the color of the liquid] Due to the properties of the ingredients, the color of the liquid in Obagi C25 Serum may vary. The color range can vary from colorless and transparent to yellow or brown, but this does not affect the quality of the product, so you can use it with confidence. To prevent product substitution, returns, exchanges, and cancellations after shipping are not accepted. Stored at home. Please refrain from purchasing if you are overly concerned about this. Thank you for your understanding and purchase.