Obagi Obagi C25 Serum Neo 12ml Serum Single Item Product Name: Obagi Obagi C25 Serum Neo 12ml Product Capacity: 12ML Product Condition: Unopened Purchase Date: December 2025 Details Obagi C25 Serum Neo addresses multiple concerns, including pores*1 and dullness*2, as well as fine lines caused by dryness*3 around the mouth, which become more noticeable with age. This serum moisturizes the skin, leading to clear*4 and firm skin. Newly formulated with Advanced C Control. The 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 radiance, with less noticeable pores. Recommended Usage 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. [Important Notes Regarding the Product] [Regarding the Color of the Liquid] Due to the properties of the ingredients, Obagi C25 Serum may have variations in the color of the liquid. The color range varies from colorless and transparent to yellow and brown, but this does not affect the quality of the product, so you can use it with confidence. [Regarding the Sound Upon Opening] When opening the product, you may hear a "pop" sound. This is a normal phenomenon when breaking the seal and does not indicate a problem with the quality.