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AC Collection Blemish Spot Clearing Serum

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A refreshing daily serum that aids brightening, soothing, and after care for the skin barrier, after skin trouble has passed.

This serum full of active ingredients will strengthen the skin barrier of the sensitive skin and skin exposed to external stimuli.

Key Ingredients

CentellAC-Rx Complex
- Madecassic acid: Protect skin & Calming
- Asiaticoside: Help keep skin transparent and clear
- Asiatic acid: Strengthen skin barrier & Help maintain skin balance


Helps to fade out dark and red spots

Helps to boost production of collagen and elastin
Increase the skin’s capacity to retain water

Protect skin from active oxygen

Improves the skin barrier

The ideal serum for 3 way post-acne care

1. Active & Red Spot - Calming
2. After acne & Dark Spot - Clearing
3. Scar & Uneven Skin Texture - Recovery

The multifunctional serum which provides a total solution for calming, tone-balancing, recovering from acne damages.

EGF helps acne skin to boost production of collagen and elastin.
4% Niacinamide refines dullness and reduces hyperpigmentation caused by acne for clear, radiant skin.

Centella Asiatica and NMF help calm irritated skin for a healthy glow.

How to use

Take a suitable amount and spread over sensitive skin, gently pat for better absorption.


  1. Use with COSRX AC Collection for more effective care for acne skin.
  2. Mix Solutions - Use as a mixture with other COSRX products for more customized care.
    1) Recovery: Mix with Snail Essence or Snail Cream.
    2) Calming: Mix with COSRX Balancium Comfort Ceramide Cream.
    Perfect moisturizer for sensitized acne skin with calming, relieving effect.
  3. After applying on the entire face, soak a cotton pad
    with AC Blemish Spot Clearing Serum and put it on the troubled area.


Propolis Extract, Butylene Glycol, Niacinamide, Panthenol, 1,2-Hexanediol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Ethylhexylglycerin, Glycerin, Polyglyceryl-10 Laurate, Polyglyceryl-10 Myristate, Allantoin, Melaleuca Alternifolia (Tea Tree) Leaf Oil, Sodium Hyaluronate, Asiaticoside, Asiatic acid, Madecassic acid, Helianthus Annus (Sunflower) Seed Oil, Macadamia Ternifolia Seed Oil, Sucrose distearate, Glyceryl Strearate, Hydrogenated Lecithin, Dipropylene Glycol, Ceramide NP, rh-Oligopeptide-1

PLEASE NOTE: Ingredients are subject to change at manufacturer's discretion. For the most complete and up-to date list of ingredients, please refer to the product packaging.

Customer Reviews

Based on 19 reviews
Angel M.
slow but steady progress

I love this serum so much!! it did take about 2 bottles for me to notice any differences in my skin but that's because there was small progress every week. I am so happy with the results it cleared all my hyperpigmentation spots that were not leaving my skin. I used to get a red spot after every breakout and the spot literally wouldn't leave. even when I had no active pimples it looked like I had about 30 of them. So I am so happy I tried this serum and I will continue to use it probably for the rest of my life loll. My skin finally looks clear.

Bianca H.
Skin Type: Combination
Age: 25-34
Works great!

The serum started working after a couple of days. The irritation and reddish of problem areas calmed down and weren’t as sore. Would recommend using this at night though as I did notice heat/sun irritated the areas where it’d applied it and dried it out a lot. I just started using the serum at night and wearing the Hyaluronic Acid Intensive cream by Cosrx during the day. Worked great and my skin is clearing up well!

Sarah T.
Skin Type: Combination
Age: under 18
5 stars

Cleared up my skin

Dhaval p.
Skin Type: Dry
Age: 18-24

Very nice product. Quickly absorbed by skin. Fast and effective results.

Monica B.

It's a long term fix! Invest if you aren't looking for quick fixes. I noticed my textured skin was getting smooth after a while :)

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