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COSRX The Niacinamide 15 Serum (20 ml)

Brand: COSRX

Rs 5,400

or up to 4 X Rs 1,350.00 with Payzy Payzy

1% of every purchase goes toward helping communities in need.

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    This high‑potency serum harnesses 15% niacinamide, a standout form of vitamin B₃, to deeply balance sebum production, reduce blemishes, and visibly brighten skin over time. Formulated with N‑acetyl glucosamine (NAG) for enhanced fade of hyperpigmentation, Zinc PCA to calm inflammation and control oil, and Allantoin to soothe and repair the skin barrier. Lightweight and fast‑absorbing, it improves clarity, texture, and tone—while being non‑comedogenic and suitable for oily, combination, or acne-prone skin.

    🌿 Key Ingredients & Benefits

    • Niacinamide 15 % – Potent oil regulator, brightening, and blemish-fading action

    • N‑Acetyl Glucosamine (NAG) – Supports the niacinamide in reducing dark spots, evening out tone

    • Zinc PCA – Reduces inflammation, targets acne-causing bacteria, calms skin

    • Allantoin – Promotes skin healing and softening

    Proven Clinical Results (4 Weeks):

    • ~45 % reduction in sebum and oil

    • ~42 % fewer blackheads, 50 % fewer whiteheads

    • ~19 % pigmented spot reduction, ~15 % fading of melasma zone

    • ~24 % less redness, ~2.5 % improved brightness

    🔍 How to Use

    1. After cleansing, apply a few drops during your serum step.

    2. Gently massage outwards from center of face.

    3. Use morning and/or evening. If used during the day, follow with SPF 30+ sunscreen.

    4. Beginners may start every other day, then build to daily as tolerated.

    5. Avoid layering with high-strength Vitamin C in the same routine to minimize irritation

    ⚠️ Best For & Precautions

    • Ideal for oily, combination, and acne-prone skin types.

    • Beginners: High 15% concentration can cause irritation or breakouts in sensitive skin. Patch test before use.

    • Some users reported dryness, red bumps, or temporary breakout—especially at product debut. Monitor skin response and scale back if needed.

    🗣️ Community & Expert Highlights

    • InStyle named it the top niacinamide serum for acne-prone skin—citing improvements in acne scars and skin smoothness, even on sensitive skin types

    • Real Simple praised its ability to reduce sebum, acne marks, and improve hydration without irritation within about four weeks.

    • Glamour’s Cosmetics Review included it among COSRX’s most trusted acne-care products.

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