COSRX The Vitamin C 23 Serum 20ml

Product features

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• High-potency 23% vitamin C serum formulated to brighten and smooth the skin
• Helps fade dark spots, uneven tone and signs of sun damage
• Lightweight, fast-absorbing texture designed for improved radiance

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Product description

A concentrated vitamin C serum that brightens dull skin, reduces dark spots and boosts overall radiance.

COSRX The Vitamin C 23 Serum is a high-strength brightening treatment designed to visibly improve skin tone and texture. With 23% pure vitamin C, this serum helps target hyperpigmentation, dark spots and post-blemish marks while promoting a more luminous, even complexion. Its antioxidant-rich formula also helps defend the skin against environmental damage, supporting a healthier and more youthful appearance.

The lightweight, silky texture absorbs quickly, making it suitable for both morning and evening routines when paired with SPF during the day. Ideal for dull, uneven or pigmentation-prone skin, this serum promotes smoother, brighter and revitalised skin with consistent use. Sensitive users may prefer to introduce it gradually due to its potency.

Features of COSRX The Vitamin C 23 Serum

• Helps fade dark spots and brightens overall skin tone
• Antioxidant protection against free-radical damage
• Promotes smoother and more radiant-looking skin
• Suitable for dull, uneven, textured or pigmentation-prone skin

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Specifications

• Size: 20ml brightening serum
• Key component: 23% pure vitamin C (ascorbic acid)

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Suitable for

• Dull, uneven, sun-damaged or hyperpigmentation-prone skin

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Warnings and cautions

• For external use only; avoid contact with eyes.
• Use SPF daily when using vitamin C products.
• May cause slight tingling due to high-strength formula.
• Store in a cool, dark place to maintain stability.

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How to use

1. After cleansing and toning, apply a small amount to the face.
2. Allow to absorb fully, then follow with moisturiser and SPF in the morning.

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Ingredients

Contains 23% vitamin C (ascorbic acid), hydrating agents, antioxidant components and skin-conditioning ingredients formulated to brighten, smooth and revitalise the complexion.

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