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K-Beauty

COSRX Vitamin C 23 Serum 20ml | Best K-Beauty Brightening Serum for Dark Spots

COSRX Vitamin C 23 Serum 20ml | Best K-Beauty Brightening Serum for Dark Spots

Regular price $21.25 USD
Regular price $25.00 USD Sale price $21.25 USD
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Description

  • A highly concentrated serum with 23% pure Vitamin C (ascorbic acid) that brightens skin tone, fades dark spots, and boosts radiance.

  • Enriched with Super Vitamin E (tocotrienols), hyaluronic acid, and allantoin to provide antioxidant protection, hydration, and soothing benefits.

  • Features a two-layer texture (oil + serum). Shake lightly before use to blend the layers for smooth absorption.

  • Targets multiple concerns: hyperpigmentation, dullness, uneven skin tone, dark spots, fine lines, and rough texture.


Key Ingredients

  • Ascorbic Acid (23%) – Brightens skin, reduces pigmentation, and fights signs of aging.

  • Super Vitamin E (Tocotrienols) – Potent antioxidant that protects and repairs skin.

  • Sodium Hyaluronate (Hyaluronic Acid) – Deep hydration and skin plumping.

  • Allantoin – Calms and soothes irritation.

  • Niacinamide & Glutathione – Help even skin tone and improve texture.


How to Use

  1. Shake the bottle lightly before application to mix the oil and serum layers.

  2. Apply 2–3 drops to clean, dry skin and gently pat until absorbed.

  3. Can be used morning or evening. If used in the morning, always apply sunscreen (SPF 30+) afterwards.

  4. Start slowly if you are new to high-strength Vitamin C.

  5. Store in a cool, dark place (preferably in the refrigerator) and use within 2 months of opening to prevent oxidation.

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