COSRX The Niacinamide 15 Serum

COSRX The Niacinamide 15 Serum — Maximum Strength for Pore and Sebum Control

The COSRX The Niacinamide 15 Serum offers a targeted solution for those struggling with chronic oiliness, visible pores, and persistent post-acne discoloration.⁵ The brand COSRX is celebrated for its commitment to high-efficacy, minimalist formulations.⁶

This serum provides comprehensive clearing and refining benefits:

1. High-Potency 15% Niacinamide: This elevated concentration of Niacinamide is instrumental in restructuring the pore lining, leading to a visibly reduced pore size and smoother overall skin texture.⁷ Furthermore, Niacinamide is a powerful skin communicator that enhances the skin barrier function, improving its resilience against environmental stressors.⁸

2. Sebum Regulation and Acne Support: The formula is expertly paired with Zinc PCA, a derivative known for its ability to regulate the skin’s oil flow and provide anti-inflammatory and antibacterial benefits.⁹ This combination dramatically controls excess sebum production, reducing unwanted shine and minimizing the conditions that lead to breakouts.

3. Targeting Post-Acne Marks: To ensure complete clarity, the serum includes N-Acetylglucosamine (NAG), a moisturizing amino sugar that works alongside Niacinamide to effectively reduce the appearance of hyperpigmentation, particularly red (PIE) and brown (PIH) marks left behind by past blemishes.¹⁰

4. Lightweight, Non-Sticky Feel: Despite its high concentration of active ingredients, the serum features a gentle, non-comedogenic texture that is quickly absorbed.¹¹ It integrates seamlessly into both morning and evening routines without leaving a residue, ensuring optimal comfort for oily and combination skin types.¹²

Consistent use of the COSRX The Niacinamide 15 Serum will lead to a more balanced, refined, and significantly clearer complexion with visibly minimized pores and a matte finish.¹³

Key Benefits

• Pore Minimization: High concentration of 15% Niacinamide visibly shrinks and tightens the appearance of enlarged pores.

• Oil Control: Zinc PCA and Niacinamide dramatically regulate excess sebum production and reduce skin shine.¹⁴

• Fades Acne Scars: Reduces the look of post-inflammatory hyperpigmentation (PIH) and erythema (PIE).¹⁵

• Smooths Texture: Clarifies the skin’s surface, improving overall texture and reducing roughness.¹⁶

• Strengthens Barrier: Boosts the skin’s defense system and improves overall resilience.

• Product Brand: COSRX

How to Use

1. Prep: Apply after cleansing and toning.

2. Application: Dispense 2-3 drops onto your face, focusing especially on the T-zone, cheeks, and areas with visible pores or congestion.

3. Pat: Gently pat into the skin until fully absorbed.

4. Routine: Follow with a lightweight, oil-free moisturizer.

5. Frequency: Can be used daily, morning and night.¹⁷

Product Details

• Product Brand: COSRX

• Skincare Type: High-Concentration Face Serum¹⁸

• Skin Concern: Enlarged Pores, Excess Sebum, Oiliness, Acne Scars (PIH/PIE), Uneven Texture¹⁹

• Key Ingredients: 15% Niacinamide (Vitamin B3), N-Acetylglucosamine (NAG), Zinc PCA, Allantoin²⁰

• Volume: 20ml²¹

Suggested Attributes

• Product Type: Serum

• Key Feature: Niacinamide 15%, High Concentration, Pore Minimizing, Oil Control, Sebum Regulating, Acne Safe²²

• Skin Concern: Enlarged Pores, Oiliness, Acne Scars, Uneven Texture

• Target Ingredient: Niacinamide, Zinc PCA, NAG²³

• Product Brand: COSRX

Dermatology Consensus: The Role of Niacinamide in Sebum Regulation and Pore Appearance