COSRX The Niacinamide 15 Serum 20ml

Description

Here’s a comprehensive breakdown of COSRX The Niacinamide 15 Serum (20 ml):

🌟 Overview

• A highly concentrated serum formulated with 15 % niacinamide, clinically designed for total acne control, including excess oil, breakouts, and uneven tone
• Lightweight, non-greasy, non‑comedogenic, and quickly absorbed for easy layering

🎯 Target Concerns

• Acne (all stages), blackheads, whiteheads
• Oily and combination skin, excess sebum & enlarged pores
• Hyperpigmentation, dark spots, post‑acne marks
• Redness, uneven tone, rough or bumpy texture

✅ Clinical Results (after 4 weeks)

Based on a 20‑person trial by Dermacosmetic Skin Science Lab

🧪 Key Ingredients

1. Niacinamide (15 %) – balances oil, soothes inflammation, reduces acne scars
2. N‑Acetylglucosamine – works synergistically to fade dark spots
3. Zinc PCA – anti-inflammatory, sebum-regulating
4. Allantoin – promotes collagen synthesis and skin regeneration
5. +Others like pentylene glycol, trehalose, pullulan, tocopherol

💡 Texture & Sensory

• Watery-to-light serum, fast absorption, no sticky or greasy residue
• Many users report smoother skin, visible pore reduction, and a clearer complexion in 2–4 weeks

⏲️ How to Use

• After cleansing and toning, apply 2–3 drops and gently massage over face and neck, from the center outward
• Use morning and/or night; if used in the AM, follow with SPF 30+
• Patch test for those sensitive to active ingredients

📌 Tips & Community Feedback

• Dermatologist-highlighted as top for oily/acne-prone skin in reviews like InStyle and Byrdie Real‑world reactions vary—some users find it drying or experience initial breakouts; others rave about its clarity-enhancing effects .
• Note occasional reports of white residue or crystallization inside the dropper—shake before use and discard if mold growth is suspected

✅ In Summary

COSRX The Niacinamide 15 Serum is a powerful, science-backed treatment ideal for those struggling with oily, acne-prone, or hyperpigmented skin who want clear, smoother, more balanced skin. While it’s generally well-tolerated and effective, users with sensitive skin should introduce it gradually and monitor for any irritation.

Let me know if you’d like a comparison with other niacinamide serums or suggestions on how to incorporate it into your routine!