
Medik8
C-Tetra Vitamin C Serum
30ml · 4.6★ (4,300)
Brightens · Gentle vitamin C
Best price
£35.49
£1.18/ml
Ingredient · Antioxidant
INCI: Ascorbic Acid
An antioxidant that supports brightness and helps defend against daily damage.
Helps with
Pigmentation, Uneven tone, Dullness, Visible signs of ageing
Suits
Normal / balanced, Combination, Oily, Dry lengths
Use with care
Higher strength L-ascorbic acid can sting sensitive skin.
Evidence
Strong evidence for antioxidant and tone benefits.
Pairing
With Glycolic Acid — caution
Both are acidic and layering them can sting. Many people prefer vitamin C in the morning and acids in the evening.
Pairing guidance is editorial and reviewed manually. It is not medical advice.
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Medik8
30ml · 4.6★ (4,300)
Brightens · Gentle vitamin C
Best price
£35.49
£1.18/ml

Paula's Choice
20ml · 4.5★ (9,100)
Brightens · Antioxidant defence
Best price
£47.53
£2.38/ml

Wild Nutrition
60 capsules · 4.3★ (1,900)
Supports skin, hair and nails
Best price
£30.08
£0.501/capsule