Obagi Professional-C 20% Serum 30ml
Obagi’s most concentrated vitamin C serum, powered by 20% L-ascorbic acid with hyaluronic acid. This fast-absorbing antioxidant serum helps brighten, even skin tone and defend against daily environmental stress — leaving skin radiant and hydrated without feeling greasy. Best suited to normal and oily skin.
Description
Description
Professional-C Serum 20% is the highest-strength vitamin C serum in Obagi’s Professional-C range, formulated for those who want a serious antioxidant boost in their daily routine.
At its heart is 20% L-ascorbic acid — the purest and most active form of vitamin C — chosen to help neutralise the free radicals produced by UV exposure, pollution and blue light, all of which contribute to visible signs of ageing. Working alongside it, sodium hyaluronate (hyaluronic acid) helps draw moisture into the skin, so the complexion feels comfortable and looks plumped rather than tight.
With regular morning use, skin appears brighter, more even in tone and smoother, with a healthy, revitalised glow. The lightweight formula absorbs quickly and layers well under moisturiser and SPF, making it an easy addition to an existing regimen.
Because 20% is the strongest concentration in the range, it’s ideal for skin already accustomed to vitamin C and best suited to normal and oily skin types. A light tingle on application is normal.
Key benefits
- 20% L-ascorbic acid — Obagi’s highest-strength vitamin C serum
- Helps brighten and even skin tone for a more radiant complexion
- Antioxidant defence against free radicals from UV, pollution and blue light
- Helps improve the appearance of fine lines, wrinkles and dullness
- Hyaluronic acid helps retain moisture and support hydration
- Fast-absorbing, non-greasy finish that layers well under SPF
- Best suited to normal and oily skin
How to use
Apply 5–7 drops to cleansed skin on the face, neck and décolletage each morning, using fingertips. Allow to absorb, then follow with moisturiser and always finish with a broad-spectrum SPF. Avoid the eye area. If you’re new to vitamin C or have sensitive skin, patch test first.
Key ingredients
Key actives: 20% L-Ascorbic Acid (Vitamin C), Sodium Hyaluronate (Hyaluronic Acid)
Full INCI: Propylene Glycol, Aqua (Water), L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calcium Hydroxide, Parfum (Fragrance).
Additional Information
Additional Information
| Weight | 0.10 kg |
|---|---|
| Dimensions | 20 × 15 × 8 cm |
| Product Type | Serum / Treatment |
| Skin Type | All Skin Types |
| Skin Concern | General Skin Health |
| Key Ingredient | Vitamin C |
| Size | 30ml |
Delivery & Returns
Delivery & Returns
Delivery
- UK delivery only.
- £4.99 standard delivery, free on orders over £75. Delivery takes 1–4 business days.
- Orders placed before 2pm (UK time), Monday to Friday, are dispatched the same or next working day.
- You'll receive tracking details by email once your order ships.
Returns
- 14-day returns on unused, unopened items in their original packaging, with hygiene seals intact.
- Free returns. Email us and we'll send a prepaid label within 1 working day.
- Refunds are made to your original payment method within 14 days of us receiving the item.
- Faulty, damaged or incorrect item? Contact us within 48 hours with photos and we'll put it right. Your statutory rights are not affected.
Questions? Email info@aestheticcellology.co.uk or call 0208 054 6898.
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