Obagi Professional-C® Serum 10% is a professional-grade antioxidant serum formulated with 10% L-ascorbic acid, the purest form of vitamin C. Ideal for dry and sensitive skin, it helps brighten the complexion, improve the appearance of fine lines and defend against environmental damage.
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Contains 10% pure L-ascorbic acid
Helps brighten dull skin
Improves the appearance of uneven skin tone
Helps reduce the appearance of fine lines and wrinkles
Provides antioxidant protection against environmental stressors
Supports healthier-looking skin
Suitable for normal, dry and sensitive skin
Fast-absorbing daily formula
Vitamin C is one of the most researched ingredients in skincare, but choosing the right concentration matters.
At Dr Ed Robinson Clinics, we often recommend the 10% Professional-C® Serum for patients with sensitive skin or those introducing vitamin C for the first time. It provides effective antioxidant protection while being gentler than higher-strength formulations, making it an excellent everyday serum for maintaining brighter, healthier-looking skin.
10% L-Ascorbic Acid
The purest form of vitamin C, helping protect the skin against free radicals while improving the appearance of fine lines, uneven skin tone and overall radiance.
Propylene Glycol
Helps enhance ingredient delivery while maintaining skin hydration and supporting absorption of vitamin C.
Ideal for anyone with:
Normal skin
Dry skin
Sensitive skin
Dull complexion
Uneven skin tone
Early signs of skin ageing
Anyone introducing vitamin C into their skincare routine
Apply 5–7 drops to clean, dry skin each morning after cleansing.
Massage evenly over the face and neck before applying moisturiser and broad spectrum SPF. Allow the serum to absorb fully before applying makeup.
Store in a cool, dark place and replace the cap immediately after use to help maintain the stability of the vitamin C.
If you're new to vitamin C, starting with a 10% concentration is often the best approach. It delivers excellent antioxidant protection while being well tolerated by most skin types. Once your skin has adapted, your clinician may recommend progressing to the 15% or 20% formulations if appropriate for your skin goals.
More more general enquiries, please take a look at some of our frequently asked questions.
It's ideal for normal, dry and sensitive skin, or anyone introducing vitamin C into their skincare routine for the first time.
The main difference is the concentration of pure L-ascorbic acid. The 10% serum is generally recommended for sensitive and dry skin, while the 15% and 20% formulations provide stronger antioxidant support for skin that tolerates higher concentrations.
Yes. Professional-C® Serum 10% is designed for daily morning use as part of your skincare routine.
Absolutely. Vitamin C complements sunscreen by helping defend against free radical damage, but it doesn't replace SPF. Daily sun protection remains essential.
Yes. Many people use vitamin C in the morning and retinol in the evening, allowing both ingredients to work effectively within the same skincare routine.
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