Professional-C® Serum 20%

The Details

Made from the industry’s gold standard of vitamin C, L-ascorbic Acid, our vitamin C serums are formulated at pH levels shown to optimize stability, permeability, and efficacy — instantly absorbing into the skin for lasting results.* L-Ascorbic Acid is effective in reducing the appearance of fine lines, wrinkles and photoaging of the skin.

• 91% of users reported skin appeared bright and/or more hydrated**
• Professional-C Serum 20% provides 5X better absorption levels over another leading competitor.
• Consumers prefer Obagi Professional-C Serum 20% nearly 2 to 1 over another leading competitor.

*When used consistently over time. 1 Percutaneous Absorption Study. Data on file at Obagi Cosmeceuticals LLC.
**Obagi survey analysis, Vitamin C products; April 28, 2010. Obagi Cosmeceuticals LLC. Data on file.

Science & Innovation

With a 30-year legacy of science and innovation, Obagi has led transformative research that has met the needs of every skin tone and type. We believe skin care is more than “correcting” or even “preventing,” it’s about unleashing your skin’s full potential. That’s why at Obagi we create inclusive products that support the diversity we all bring to the table. It’s about developing scientifically backed, clinical-quality formulations to promote healthy, future-facing skin.

How to Use

• Apply 5–7 drops in the morning, after cleansing and toning, but before applying moisturizer.
• Follow-up with SPF before makeup application.

Key Ingredients

L-Ascorbic Acid 20%

Known as the purest form of Vitamin C, L-Ascorbic Acid helps neutralize free radicals, minimize the look of fine lines and wrinkles, and brighten skin tone

Daily Use of Vitamin C

• Proactively fortifies the skin defenses against environmental assaults.
• Encourages skin to rebound from previous, visible damage for an improved appearance of fine lines, wrinkles and uneven skin tone.
• Strengthens skin defense with a powerful antioxidant that helps skin appear younger for longer.

All Ingredients: Propylene glycol, water (aqua), L-ascorbic acid, alcohol, ascorbyl glucoside, ethoxydiglycol, phenoxyethanol, sorbitol, sodium hyaluronate, zinc chloride, calcium hydroxide, fragrance