Ingredient
Ascorbic Acid
Vitamin C
L-Ascorbic Acid
What it is
Pure vitamin C, a potent water-soluble antioxidant used to brighten skin and support collagen.
How it works
It neutralises free radicals by donating electrons and acts as a cofactor for collagen-synthesising enzymes, but requires a low pH to stay active and penetrate.
What it does
Skin conditioning
Antioxidant
Concerns to know
-
Potential irritant
May cause irritation for sensitive skin, particularly at higher concentrations.
Found in these products
COSRX
The Vitamin C 23 Serum
Worth knowing
Anua
Rice 70 Glow Milky Toner
Worth knowing
Round Lab
Birch Juice Moisturizing Cleanser
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Round Lab
Birch Juice Moisturizing Toner
Worth knowing
Round Lab
Birch Juice Moisturizing Serum
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Round Lab
Birch Juice Moisturizing Cream
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Round Lab
Birch Juice Moisturizing Sunscreen SPF50+ PA++++
Worth knowing