Obagi Professional-C Serum 20% – 30ml / 1 fl oz Advanced Vitamin C Skincare for Brighter, Healthier-Looking Skin Experience the power of professional-grade Vitamin C with Obagi Professional-C Serum 20%, formulated with 20% L-ascorbic acid – the highest concentration in the Obagi Professional-C range. This potent antioxidant helps defend against free radicals that contribute to premature aging, while visibly brightening dull skin and promoting a more even skin tone. This lightweight, fast-absorbing serum penetrates deep into the skin to deliver visible results, helping to reduce the appearance of fine lines and wrinkles, support collagen production, and enhance overall skin radiance. Ideal for normal to oily skin types. Key Benefits: ✔️ High-potency 20% L-ascorbic acid (pure Vitamin C) ✔️ Helps minimize signs of aging & environmental damage ✔️ Improves skin tone, texture, and overall clarity ✔️ Lightweight, non-greasy, and fast-absorbing formula ✔️ Dermatologist-tested and suitable for daily use Product Details: Branded Size: 30ml / 1 fl oz Condition: Brand New & Sealed Skin Type: Normal, Oily, Combination Made in USA Authentic – Ships from the USA Transform your skincare routine with Obagi’s professional-strength Vitamin C – trusted by skincare professionals worldwide.