Obagi Professional-C Serum 20% | High-Potency Vitamin C Antioxidant Serum | 30ml

Product Overview - Obagi Professional-C Serum 20% | High-Potency Vitamin C Antioxidant Serum | 30ml. The Obagi Professional-C Serum 20% is a high-potency vitamin C antioxidant serum formulated with 20% L-Ascorbic Acid, the purest and most bioavailable form of vitamin C. This professional-grade treatment delivers powerful antioxidant protection whilst brightening skin tone, reducing the appearance of fine lines and wrinkles, and defending against environmental aggressors including UV damage, blue light, and infrared radiation.. Enriched with Sodium Hyaluronate to lock in moisture and prevent dryness, this fast-absorbing serum penetrates deep into the skin to stimulate collagen production and combat free radical damage. The formulation also includes Ascorbyl Glucoside, a stabilised vitamin C derivative that provides additional antioxidant benefits. Ideal for normal to oily skin types, this award-winning serum delivers a supercharged, hydrated glow for more youthful-looking skin.. Key Benefits at a Glance. Immediate Benefits:. Brightens and evens skin tone for a radiant, luminous complexion. Fast-absorbing, lightweight formula that leaves no greasy residue. Strengthens antioxidant defences against environmental stressors and free radicals. Hydrates and prevents dryness with Sodium Hyaluronate. Clinical results: 91% of users reported skin appeared bright and more hydrated. Long-Term Benefits:. With consistent daily use, Obagi Professional-C Serum 20% helps to minimise the appearance of fine lines and wrinkles by stimulating collagen production and protecting existing collagen fibres from oxidative damage. The high concentration of L-Ascorbic Acid works to fade hyperpigmentation and dark spots, promoting a more even, clarified complexion over time.. The serum's potent antioxidant properties help to combat oxidative stress induced by blue light and infrared radiation, which are known contributors to premature skin ageing. Regular application supports the skin's natural repair processes and helps maintain a firmer, more resilient skin texture with improved elasticity.. How Will It Feel on My Skin?. This lightweight serum absorbs quickly into the skin without leaving a greasy or oily residue. Upon application, you may experience a slight tingling sensation, which is normal and indicates the active ingredients are working. This sensation typically diminishes with continued use as your skin acclimatises to the formulation. The serum leaves skin feeling refreshed, smooth, and hydrated.. Who Is It Suitable For?. Normal to oily skin types seeking high-potency vitamin C treatment. Those concerned with fine lines, wrinkles, and signs of ageing. Individuals with hyperpigmentation, dark spots, or uneven skin tone. Those already using active ingredients who have built up tolerance to vitamin C. Anyone seeking professional-grade antioxidant protection. Skin showing signs of sun damage or environmental stress. Why Choose Obagi Professional-C Serum 20%?. As the highest concentration serum in the Obagi Professional-C range, this formulation delivers maximum-strength vitamin C benefits backed by clinical research. Studies demonstrate that Professional-C Serum 20% provides 5X better absorption levels compared to leading competitors, ensuring optimal delivery of active ingredients to the deeper skin layers. Winner of the 2022 InStyle Best Beauty Buys, this dermatologist-developed serum combines over 30 years of Obagi's skincare innovation with proven, transformational results.