What Strength of Obagi C Serum Should I Start With?

By Anna Roberts

Overview

Obagi Professional-C Serum is a prescription-strength vitamin C product. Vitamin C is an antioxidant that is believed to repair and protect the skin from sun damage, reduce wrinkles and stimulate collagen. Obagi-C uses the L-ascorbic acid form of topical vitamin C to penetrate deep into the skin. This product must be prescribed by a doctor, so follow the instructions of your dermatologist or other health-care professional.

Obagi Professional-C

Step 1

Visit your dermatologist or doctor to see if a vitamin C prescription product is right for you; and if so, to get a prescription.
Step 2

Start with Obagi-C Professional Serum 10 percent. Skin that is dry, sensitive or reactive will respond best to a lower-strength formula. For some people, this is the maximum strength that should be used. It is priced at $60.

Step 3

After your doctor sees how your particular skin reacts to Obagi-C, she may increase the strength of the formula.
Step 4

Obagi Professional-C Serum 15 percent is the next strength formulation available. The higher-strength formula offers more dramatic results and is available for $75.
Step 5

If your prescriber agrees that it would be beneficial for you to use an even more concentrated formula, use Obagi Professional-C Serum 20 percent. This is the highest strength available, and costs $95.

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