COSRX AC Collection Blemish Spot Clearing Serum 40ml — Centella + Niacinamide for Calming & Tone Recovery

COSRX AC Collection Blemish Spot Clearing Serum is a lightweight, fast-absorbing 40ml treatment serum formulated with Centella-derived actives, niacinamide and EGF to calm, clarify and help restore post-acne skin.

This serum is designed for skin that needs targeted post-breakout care: calming irritation, supporting visible recovery, and helping even skin tone without heaviness. COSRX combined a CentellAC-Rx Complex (madecassic acid, asiaticoside, asiatic acid) with niacinamide and epidermal growth factor (EGF) in a non-sticky, concentrated formula that sinks into skin quickly. It’s created with sensitive, oily and acne-prone skin in mind and follows COSRX’s hypoallergenic and cruelty-free standards.

How does this serum help after a breakout?

The formula targets the three phases of post-acne care: soothing irritated skin, encouraging surface recovery, and assisting with the appearance of uneven tone. Ingredients derived from Centella Asiatica are known for soothing properties while niacinamide helps brighten and balance skin tone. EGF supports a smooth-feel finish without leaving residue.

• CentellAC-Rx Complex soothes and calms reddened areas.
• Niacinamide helps reduce the look of post-inflammatory discoloration.
• EGF supports skin texture for a refined appearance.
• Light, fast-absorbing base avoids greasiness or stickiness.

What are the key active ingredients and why they matter?

The serum centers on three ingredient groups: Centella-derived compounds, niacinamide, and EGF. Each plays a specific supportive role—soothing, tone-evening, and surface-supporting—so the product addresses multiple visible concerns that follow blemishes without using harsh actives.

• Madecassic acid, asiaticoside, asiatic acid: combined for calming and recovery support.
• Niacinamide: known to promote more even-looking skin tone and a smoother surface.
• EGF: a peptide-like factor included to support a healthier-feeling skin finish.
• Free from parabens, sulfates, phthalates; dermatologically tested and cruelty-free.

How should I use it in my daily routine?

Apply this serum after cleansing and toning but before heavier creams or oils so active ingredients can penetrate. A small amount—two or three drops—is sufficient for the whole face; spread gently and avoid the eyes and mouth. Use once or twice daily depending on tolerance and your overall routine.

• Dispense 2–3 drops onto fingertips.
• Apply to affected areas or across the face, massage for absorption.
• Follow with moisturizer and sunscreen in the morning; layer under night creams at evening.
• Patch test if you have highly reactive skin or are using other strong actives.

Will this serum feel heavy or leave a residue?

No—the texture is formulated to be highly concentrated yet fast-absorbing, avoiding tackiness. Users can expect a lightweight finish that allows subsequent products to layer comfortably. That makes it suitable for oily or combination skin types who dislike heavy serums.

• Quick absorption prevents a greasy finish.
• Concentrated formula means a little goes a long way.
• Works well under makeup or sunscreen without pilling.

Who is this for: COSRX AC Collection Blemish Spot Clearing Serum is intended for people with acne-prone, oily or sensitive skin who want a targeted, non-irritating post-blemish treatment. It’s suitable for anyone seeking a lightweight serum that focuses on calming, clarifying appearance, and supporting skin texture without harsh preservatives or animal testing.

Ingredients

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