What makes the Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum so effective for brightening and anti-aging?

The Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum is a customer favorite because it's packed with 20% L-Ascorbic Acid, a potent form of Vitamin C known for its brightening power. It also contains Sodium Hyaluronate to hydrate. This powerful combination works to visibly reduce dark spots, even out skin tone, and improve the appearance of fine lines and wrinkles, giving you a more youthful and radiant complexion. Plus, it helps defend your skin against everyday environmental stressors like blue light and infrared radiation.

I have normal to oily skin. Is this Obagi Professional-C 20% serum suitable for me?

Yes, this Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum is specifically formulated to be ideal for normal to oily skin types. Its fast-absorbing texture means it won't feel heavy or greasy. Many users with these skin types love how it makes their skin feel brighter and more hydrated without causing excess oiliness.

How soon can I expect to see results from using this Vitamin C serum?

While individual results can vary, many users report noticing brighter and more hydrated skin shortly after starting to use the Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum. Consistent daily use is key to seeing improvements in dark spots, fine lines, and overall skin tone. Remember, it's working to boost your skin's antioxidant defenses over time.

I'm interested in the Obagi Professional-C 20% serum, but I'm concerned about irritation. What should I know?

It's understandable to be cautious with potent Vitamin C serums. The Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum is formulated for efficacy, and the 20% concentration is quite high. If you're new to Vitamin C or have sensitive skin, you might consider starting with a lower concentration serum from Obagi or discussing it with your dermatologist. For most, the benefits of brightening and anti-aging are well worth it, especially since it also hydrates.

Obagi Medical 20% Vitamin C Antioxidant Serum in blue glass bottle with dropper

Obagi Professional-C Serum 20% Vitamin C for bright, hydrated skin — 91% user-reported results

Obagi Medical Professional-C 20% Vitamin C Serum new packaging, same antioxidant formula

Load video: Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum

Applying golden facial serum under eye with dropper for skincare routine

OBAGI Medical Professional-C 20% Vitamin C Antioxidant Serum in blue glass bottle with dropper, held by hand

Obagi Medical Professional-C Serum with 20% Vitamin C in a blue dropper bottle on striped surface

Obagi Medical Professional-C Serum bottles with droppers, featuring 10%, 15%, and 20% L-Ascorbic Acid vitamin C formulas

Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum

Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum

$155.00

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Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum

Obagi Medical Professional-C 20% Vitamin C Antioxidant Serum is a high-performance formula designed for normal to oily skin types.

Discover the bestselling obagi professional-c 20% serum. It is expertly crafted with L-Ascorbic Acid and also Sodium Hyaluronate.

This fast-absorbing obagi vitamin c serum helps to brighten and even skin tone. It also works by reducing the look of dark spots.

Using vitamin c 20% concentration, this treatment helps strengthen skin defenses. It improves the look of fine lines and wrinkles.

Achieve a hydrated glow with this obagi 20% vitamin c solution. It promotes more youthful-looking and radiant skin every day.

As a premier obagi medical vitamin c product, it reinforces the skin barrier. It protects against environmental skin stressors.

This concentrated obagi antioxidant serum is essential for those seeking professional-grade protection and visible rejuvenation.

Incorporate this brightening serum into your daily routine to combat dullness. It revitalizes your face with pure L-ascorbic acid.

High-quality vitamin c skincare is vital for maintaining a healthy glow. It defends against the visible signs of premature aging.

Compared to other antioxidant serums, this formula offers superior stability. It is perfect for oily and normal skin textures.

Experience the transformative power of obagi skincare. See why this formula remains a top choice for dermatologists worldwide.

The obagi professional-c range is trusted by professionals to deliver results. It works for various skin concerns and aging needs.

Enhance your regimen with obagi to ensure your skin receives the most potent form of topical vitamin C that is available today.

91% of users reported skin appeared bright and more hydrated*
Combats oxidative stress induced by blue light and infrared radiation** that cause early signs of skin aging
Formulated with L-Ascorbic Acid to brighten skin
Helps to neutralize free radicals

2025 Allure Best of Beauty Award Winner. This prestigious recognition highlights the efficacy of this advanced skincare solution.

*Obagi survey analysis, Vitamin C products: April 28, 2010. Data on file at Obagi Cosmeceuticals LLC. It is a valid study for results.

**2023 In-Vitro Antioxidant Potential Assay. Data on file at Obagi Cosmeceuticals LLC. These tests show great skin results for users.

Choosing this professional formula ensures you receive the highest quality. This staple item enhances any advanced home routine daily.

Application

Step 1: Apply 5-7 drops in the morning after cleansing and toning, before moisturizer.
Step 2: Follow-up with SPF before makeup application.
Note: Use within 3-6 months of first opening.

Ingredients

Propylene glycol, aqua/water/eau, ascorbic acid, alcohol denat., ascorbyl glucoside, ethoxydiglycol, sorbitol, sodium hyaluronate, fragrance (parfum), citrus aurantium dulcis (orange) peel extract, citrus paradisi (grapefruit) fruit extract, phenoxyethanol, calcium hydroxide, zinc chloride, citric acid, caprylyl/capryl glucoside, amyl cinnamal, limonene, hexyl cinnamal, benzyl benzoate.