• Obagi Professional-C 20% Vitamin C Antioxidant Serum in a 30ml bottle, showcasing the skincare product with a sleek design and label.
  • Obagi Professional-C 20% Vitamin C Antioxidant Serum in a 30ml bottle, skincare product for brightening and antioxidant protection
  • Obagi Professional-C 20% Vitamin C Antioxidant Serum in a 30ml bottle, featuring a clear liquid formula for brightening skincare.
  • Obagi Professional-C Serum 20% with open bottle
  • Obagi Professional-C Serum range styled image
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Obagi

Obagi Professional-C® Serum 20% – 30ml

£126.00
£170.00
£126.00
Tax included. Shipping calculated at checkout.

A high-strength 20% vitamin C serum for daily antioxidant support and visibly brighter-looking skin.

Obagi Professional-C Serum 20% combines 20% L-ascorbic acid with sodium hyaluronate to support radiance, hydration and a more even-looking complexion.

Why you’ll love it

  • Contains 20% L-ascorbic acid
  • Helps brighten dull, uneven-looking skin
  • Supports the appearance of a more even skin tone
  • Helps soften the look of fine lines
  • Provides daily antioxidant support

Who it’s for

Best suited to experienced vitamin C users, particularly normal-to-oily and combination skin.

How to use

Apply a few drops to clean, dry skin in the morning, followed by moisturiser if needed and sunscreen.

Frequently asked questions

What strength is it?
It contains 20% L-ascorbic acid.

Is it suitable for beginners?
It is a higher-strength vitamin C serum, so new users may prefer to start with a lower concentration and build up gradually.

Can I use it every morning?
Yes, if tolerated. Reduce frequency if you experience irritation or sensitivity.
HOW TO USE

Apply 5–7 drops in the morning after cleansing and toning, before moisturiser.

Follow with broad-spectrum SPF before make-up.

Use within 3–6 months of first opening and keep the cap tightly closed.
KEY BENEFITS

Helps brighten and even the look of skin tone.
Supports antioxidant defences and helps neutralise free radicals.
Sodium hyaluronate supports hydration while 20% vitamin C targets visible dullness and fine lines.
KEY INGREDIENTS

20% L-ascorbic acid (vitamin C) – the pure form of vitamin C used to brighten skin and support antioxidant protection.
Sodium hyaluronate – a water-binding form of hyaluronic acid that supports hydration.
See the packaging for the full INCI list.
GOOD TO KNOW

A slight tingling may occur; stop use and seek medical advice if it becomes severe.
Store in a cool, dark place below 25°C and use within 3–6 months of opening.
Best used in the morning, with the Dr Motox Exosome & Collagen Sheet Mask used as an evening hydration step.
Obagi Professional-C 20% Vitamin C Antioxidant Serum in a 30ml bottle, showcasing the skincare product with a sleek design and label.
Obagi Professional-C 20% Vitamin C Antioxidant Serum in a 30ml bottle, skincare product for brightening and antioxidant protection
Obagi Professional-C 20% Vitamin C Antioxidant Serum in a 30ml bottle, featuring a clear liquid formula for brightening skincare.
Obagi Professional-C Serum 20% with open bottle
Obagi Professional-C Serum range styled image