Product Description — Obagi Professional-C 20% Vitamin C Serum (1oz)

Reveal brighter, firmer, more radiant skin with Obagi Professional-C 20% Serum — a powerful antioxidant treatment designed for advanced skincare results.

Key Benefits

Advanced Formula

Texture & Finish

Silky, lightweight serum with a smooth finish that layers easily under moisturizer and sunscreen.

Ideal For

How to Use

Apply 5–7 drops to clean, dry skin in the morning before moisturizer and sunscreen. Avoid contact with eyes.

Important Note About Oxidation

This product is sealed, however slight oxidation (light yellow to amber tint) can naturally occur in Vitamin C serums over time due to air, light, or temperature exposure. Mild color change does not always affect performance, but deeply darkened serum may indicate reduced potency.


Why it stands out:
Obagi Professional-C 20% Serum combines pharmaceutical-grade potency with proven antioxidant benefits to help visibly transform skin clarity, brightness, and overall radiance.