COSRX VITAMIN C 23 SERUM 30MLS

KSh3,280

COSRX The Vitamin C 23 Serum is a high‑strength, antioxidant-rich serum with 23% pure L‑ascorbic acid, designed to brighten, smooth, and even out skin tone. It features hyaluronic acid for hydration, super‑vitamin E for stabilization, and skin-soothing ingredients like allantoin and botanical extracts — best used carefully and stored cold to maintain potency.

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Key Ingredients & Their Benefits

  • 23% L‑Ascorbic Acid (Pure Vitamin C): This is a very high concentration, giving strong antioxidant action to brighten skin, fade dark spots, and stimulate collagen.

  • Tocotrienols (“Super Vitamin E”): These provide powerful antioxidant protection, help stabilize the vitamin C, and support collagen production.

  • Sodium Hyaluronate (Hyaluronic Acid): Attracts and holds moisture in the skin, helping to hydrate and plump.

  • Allantoin: Soothes irritation and helps calm skin, which is especially useful given the potency of 23% vitamin C.

  • Glutathione: An antioxidant that helps neutralize free radicals and supports skin brightening.

  • Adenosine: Known for its anti‑aging benefits, helping improve skin elasticity.

  • Botanical Extracts (Gardenia Florida, Licorice Root, Carrot): Offer soothing, nourishing, and antioxidant benefits.

  • Niacinamide: Helps with skin tone, texture, and barrier support.

Product Features & Usage

  • High potency: 23% is a strong dose for L‑ascorbic acid, so this serum is powerful and best introduced carefully.

  • Texture & Feel: It has a slightly syrupy-yet-light feel. According to some users, there’s a “funny” or “strong” smell when you first open it, but this tends to fade.

  • Bottle Storage: The serum is sensitive to oxidation. Many recommend refrigerating it after opening and using it within 2 months.

  • How to Use:

    1. Shake lightly before use.

    2. Apply a few drops to clean, dry skin

    3. Can be used in the morning or evening, but if used in the morning, always follow with sunscreen (SPF 30+).

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