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Get your glow on with Obagi Professional C-Serum 15% — our most potent formula yet. Enriched with brightening Vitamin C and a combination of ultra-hydrating ingredients, this powerful serum works to even skin tone while also moisturizing and protecting your skin to reveal a healthy and youthful glow.


Features & Benefits:


  • Free of chemical preservatives
  • Sulfate-free
  • Brightening and hydrating qualities
  • Formulated with natural antioxidants
  • Highly concentrated serum
  • Provides 24 hours of continuous hydration
  • Defends skin from dark spots and signs of aging


Skin Type: Normal to Oily Skin


How to apply:

Use morning or night after cleansing. Apply a few drops of Obagi Professional-C 20% Serum to the face, neck, and chest using fingertips in a circular motion. Apply before any makeup, sunscreen, or night cream to get the most benefits. A slight tingling sensation may occur — this is the serum working its magic.


Key Ingredients:

  • Vitamin C: A potent antioxidant and skin-soothing agent that brightens the skin while simultaneously improving the appearance of fine lines and wrinkles.
  • Sodium Hyaluronate: A form of ultra-hydrating hyaluronic acid, this equally moisturizing ingredient is excellent for both reducing dry skin and the appearance of fine lines.
  • Ascorbyl Glucoside: A brightening agent that helps to even skin tone and prevent dark spots from forming.

Active Ingredients: Propylene Glycol, Water, L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calcium Hydroxide, Fragrance.

Product Size: 1 fl oz.

Product Count: 1

Professional Results


  • Based on in vitro studies, it was found that Obagi’s Professional-C Serum delivers significantly better penetration into the skin as well as 5x better absorption than competitors like SkinCeuticals.
  • Based on an at-home consumer survey, Professional-C Peptide Products may improve the skin’s appearance in as early as 1 week!
  • A majority of users felt their skin looked brighter
  • 75% of users stated that they prefer the feel of professional Obagi products over their current products
  • 83% of users stated they would recommend Obagi’s Vitamin C products to a friend
  • A majority of users enjoyed these improvements in their skin:
    • Had a youthful radiance
    • Felt smooth
    • Looked and felt firmer

Professional Tips

A little goes a long way with this product! Simply warm a few drops in the palm of your hand and gently massage in a circular motion until the serum is fully absorbed.

About the Brand

With 30 years of experience in the skincare industry, Obagi has solidified its place as a leader in the beauty arena. With transformative research at their side, their products have met the needs of every skin tone and type for decades.

Obagi believes that skincare is more than simply correcting or even preventing skin conditions: It’s about unleashing your skin’s full potential to reveal a more radiant you. That’s why Obagi has created inclusive products that support and respect the diversity we all bring to the table. They have developed research-backed, dermatologist-quality formulations that promote healthy, naturally gorgeous skin, to unveil your best you yet.

They look to the future of skincare and make a conscious effort to ensure that every skin tone, texture, and age is represented in their Obagi line of products — not just for today but for many more tomorrows, too.

Because, just like the people who use their products, they’re not interested in looking backward. So join in on the future of skincare—and become a part of a community of future fearless customers who choose Obagi every day for skin that is uniquely you.


WIs this product oil-free and non-comedogenic?
Yes! Obagi Professional C-Serum 20% is oil-free and non-comedogenic.

Is this serum hydroquinone-free?
Yes! This serum is completely free of hydroquinone.

How long does this serum stay potent?
Vitamin C serums like this one have a two-year shelf life unopened, and once you open it you should use the product within 6-9 months to receive optimal benefits.

How would I incorporate this into my Obagi Nu-Derm routine? AM or PM?

Orders & Shipping

About Glam Global UK

Glam Global UK is a genuine business registered in England under Glamglobal Ltd  (Company No: 15456055). Our office headquarters is located at 10 Cavendish Place Bath, Somerset, BA1 2UB

Order Processing

We process all orders within 1-2 business days at our UK-based warehouse. Unfortunately, we cannot make changes to an order after it is placed. Please ensure all details are correct when checking out.

During high volume periods, processing can take up to 5 business days. You will receive confirmation when your order ships with tracking details to monitor its progress directly via Royal Mail.

Shipping Policies

UK Orders

  • Free standard shipping on orders over £50
  • Delivered by Royal Mail within 5-7 business days

Shipping Details:

  • Origin of Shipments: Some of our products are shipped from our warehouses in the United States or Korea. This allows us to offer you a diverse range of quality products. We want to assure you that all items are carefully selected and undergo strict quality control before dispatch.

  • Estimated Delivery Time: Please allow 7-10 days for delivery, considering the additional time required for shipments from the United States or Korea. This ensures that your orders reach you securely and in excellent condition. Please note any tax from International Delivery is included in your price paid at checkout.

International Delivery to UK Tax:

  • Included in Price: Please note that any tax from international delivery is already included in the price you paid at checkout. This is to provide you with a seamless and transparent shopping experience, and there will be no additional charges upon delivery.

Order Changes: Once an order is placed, we regret to inform you that we cannot make changes to it. Therefore, please double-check all details during the checkout process to ensure accuracy.

International Orders from countries other then the United Kingdom 

  • Shipping fee calculated at checkout based on destination
  • Import duties and taxes may apply upon delivery

Returns Policy

  • 30 day return window
  • Original shipping fees are non-refundable
  • Contact customer service to initiate a return