Shopping cart

Get your glow on with Obagi Professional C-Serum 20% — our most potent formula yet. Enriched with a combination of ultra-hydrating ingredients and antioxidant-packed Vitamin C, this powerful serum works to gently 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
  • Protects skin from dark spots and signs of aging


Skin Type: Normal to Oily Skin

Skin Concerns: Dark Spots, Hyperpigmentation, Melasma Sun Damage, and Free Radical Damage


How to apply:

Use in both the AM and the PM as part of your cleansing ritual. Simply massage a few drops of the facial serum onto your entire face, neck, and decolletage in a circular motion until completely absorbed. A minor tingling sensation may occur when you apply Obagi Professional C-Serum 20% to your face.


Key Ingredients:

  • Vitamin C: A potent antioxidant and skin-soothing agent that brightens the skin while simultaneously improving fine lines and wrinkles.
  • Sodium Hyaluronate: This ultra-moisturizing ingredient is a form of hyaluronic acid and is excellent for reducing wrinkles and fine lines and hydrating skin all day long
  • Ascorbyl Glucoside: A gentle skin brightening agent that helps to prevent the formation of discoloration and dark spots

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 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 said that they would absolutely recommend Obagi’s Vitamin C products to family and friends
  • The majority of Obagi consumers claimed to have seen visible improvements to their skin after using Obagi Professional-C Products, including touchably soft skin, improved vibrancy, and increased firmness

Professional Tips

A little goes a long way with this Obagi Professional C-Serum 20%! Simply warm a few small drops in the palm of your hand and gently massage in a circular motion until the product is completely absorbed.

About the Brand

About Obagi

With over 30 years of experience under its belt and groundbreaking research on its side, Obagi has solidified its place as a leader in the beauty arena. Their impressive line of dermatologist-quality products have met the needs of nearly every skin tone and type for decades.

With an all-inclusive line of products, Obagi has set its sights on serving a diverse population and all of their skin care needs — because they believe that skincare is about providing radiant skin for years to come, not just today. Their research-backed, high-quality formulations promote healthy, naturally gorgeous skin, to unveil your best you yet.

So join in on the future of skincare and buy Obagi online today.


What does Obagi Professional-C Serum do?This professional-grade facial serum is a concentrated anti-aging serum that has a generous amount of vitamin C and a combination of moisturizing ingredients. This potent combination provides redeeming and rejuvenating qualities for your skin care. It has moisturizing qualities for your skin, enhances skin brightness, evens skin tone, and reduces the signs of aging.

Which Obagi Professional-C Serum should I use?
Your skin type will help determine what kind of Obagi C Serum you should use. If you have any reason to believe that a skin care product might be too harsh for you, such as if you have dry skin or sensitive skin, dip your toes in first with the Obagi Professional-C Serum 10% until you know how the product will affect you. After some time you can gradually increase to the Obagi Professional C-Serum 15% and Obagi Professional C-Serum 20% options as your skin grows more accustomed to this powerful ingredient. If you have normal skin, combination skin, or oily skin, feel free to start with either the 15% or 20% to give you the look you desire.

Is 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.

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