COSRX Advanced The Vitamin C 23 Serum 20ml
COSRX Advanced The Vitamin C 23 Serum 20ml
COSRX Advanced The Vitamin C 23 Serum 20ml

COSRX The Vitamin C 23 Serum 20ml

£17.95

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COSRX advanced vitamin C serum with 23% pure ascorbic acid to brighten skin, fade dark spots, and improve overall radiance.

  • 2-3 day UK delivery is £3.95 or FREE over £30

  • Next day UK delivery is £5.95 or FREE over £60

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Benefits

A high-potency brightening serum formulated with 23% pure vitamin C to visibly improve skin tone and clarity.

This concentrated formula helps reduce dark spots, hyperpigmentation, and dullness while delivering strong antioxidant protection.

Enriched with vitamin E and hyaluronic acid, it supports hydration and helps minimise irritation commonly associated with high-strength vitamin C.

Designed for experienced vitamin C users, it leaves skin looking smoother, brighter, and more radiant.

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How To Use

  • Apply a few drops to clean skin
  • Massage gently into face and neck
  • Use morning and/or evening
  • Follow with moisturiser

Always conduct a patch test before use and use only as directed on the packaging. If you notice an allergic reaction stop and seek medical advice. Avoid storing in high/low temperatures or direct sunlight.

Ingredients

Water, Ascorbic Acid (23%), Propanediol, Dimethicone, Butylene Glycol, 1,2-Hexanediol, Tromethamine, Panthenol, Tocopherol, Sodium Hyaluronate, Allantoin, Adenosine, Ethylhexylglycerin

This ingredient list is provided by the brand. Ingredients may be updated or vary between product variants. Please refer to the product packaging for the most current ingredient list. For further details, please refer to our Product Information Disclaimer here →.

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