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Obagi Medical Professional-C Serum 20% (1 fl. oz.)
A concentrated anti-aging serum enriched with vitamin C that is suitable for all skin types.
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4 installments of $34.75 with Klarna Learn more
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4 installments of $34.75 with afterpay Learn more
Obagi Professional-C Serum 20% infuses your skin with L-ascorbic acid, the only form of vitamin C suitable for topical application. Designed to penetrate deep into your skin, this vitamin C serum provides effective antioxidant protection from UV damage as it brightens away hyperpigmentation and encourages the growth of collagen and elastin fibers. Hyaluronic acid binds moisture to your skin to prevent dryness.
Apply 5 to 7 drops of Obagi Professional-C Serum to the face, neck and chest using fingertips. Apply to cleansed skin in the morning before sunscreen and makeup application. A slight tingling may occur in some people, which diminishes with continued use.
Application Area: Face
Ideal for these Concerns: Free Radical Damage, Hyperpigmentation, Sun Damage
Ingredient: Antioxidants, Hyaluronic Acid, Vitamin C
Preferences: Clean
Skin Care: Skin Care Treatments
Skin Care Treatments: Face Serums
Skin Type: Acne-Prone Skin, Combination Skin, Dry Skin, Mature Skin, Normal Skin, Oily Skin, Sensitive Skin
Wellness | External Factors: Pollution Defenders and Treatments, UV Ray Protectors and Treatments
Propylene Glycol, Water, L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calcium Hydroxide, Fragrance.
- Professional-C
- Obagi Medical
- 1 fl. oz
Frequently Bought Together



Total Price: $214.00
Add both to cart
Obagi Medical Professional-C Serum 20% (1 fl. oz.)
A concentrated anti-aging serum enriched with vitamin C that is suitable for all skin types.
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$139.00
In stock
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4 installments of $34.75 with Klarna Learn more
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4 installments of $34.75 with afterpay Learn more
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Obagi Professional-C Serum 20% infuses your skin with L-ascorbic acid, the only form of vitamin C suitable for topical application. Designed to penetrate deep into your skin, this vitamin C serum provides effective antioxidant protection from UV damage as it brightens away hyperpigmentation and encourages the growth of collagen and elastin fibers. Hyaluronic acid binds moisture to your skin to prevent dryness.
Apply 5 to 7 drops of Obagi Professional-C Serum to the face, neck and chest using fingertips. Apply to cleansed skin in the morning before sunscreen and makeup application. A slight tingling may occur in some people, which diminishes with continued use.
Application Area: Face
Ideal for these Concerns: Free Radical Damage, Hyperpigmentation, Sun Damage
Ingredient: Antioxidants, Hyaluronic Acid, Vitamin C
Preferences: Clean
Skin Care: Skin Care Treatments
Skin Care Treatments: Face Serums
Skin Type: Acne-Prone Skin, Combination Skin, Dry Skin, Mature Skin, Normal Skin, Oily Skin, Sensitive Skin
Wellness | External Factors: Pollution Defenders and Treatments, UV Ray Protectors and Treatments
Propylene Glycol, Water, L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calcium Hydroxide, Fragrance.
- Professional-C
- Obagi Medical
- 1 fl. oz
Frequently Bought Together



Total Price: $214.00
Add both to cart
Customer Reviews
Top Customer Reviews
Where reviews refer to beauty products or supplements, results may vary from person to person. Customer reviews are independent and do not represent the views of Dermstore.
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Great Vitamin C serum
I can definitely tell a difference in the brightness of my complexion with this serum.
Report this reviewGreat product
I put this one morning and night on clean skin to maximize absorption. It’s a great product
Report this reviewOld Faithful!
I tried another brand and always come back to Obagi 20%. Works amazingly well. No offensive smell like some others.
Report this reviewStrong but effective?
I got this vitamin c serum because I was looking for a high concentrate but it oxidized really quickly and I didn’t really see any results. Probably better off spending the extra money for the Skinceuticals
Report this reviewHigh-Quality
High-quality vitamin c serum recommended by dermatologist. Have been using for last couple years and absolutely love it. Will continue to reorder.
Report this reviewMy Favorite
I was really happy with this product. I already finished fine entire bottle and then decided to try another vitamin C serum by Skinsceuticals. I am definitely going back to this Obagi serum because it feels lighter, smells better, and works better.
Report this reviewA favorite!
This serum is one of my favorite day and night routines! Every time I stop using this I regret it. It really makes a difference.
Report this reviewGood so far
I used to use a different brand that I was happy with but I wanted to try something more upscale and so far this is working well. Smells much better than other brands
Report this reviewhave continued to purchase
It's tough to know if these are helpful, but I have continued to purchase it on a regular basis; and it is less pricey than skinceutical's formulation
Report this reviewAmazing
I have noticed a huge difference with the texture and appearance of my skin since using this product! Would highly recommend.
Report this review