
COSRX
A soothing sheet mask formulated to target blemishes and calm irritated, acne-prone skin. Contains calming ingredients to reduce redness and support skin recovery.
Humectant and solvent for ingredient delivery
Humectant that attracts and retains moisture
Humectant and solvent that enhances hydration
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.
The key active ingredients in AC Collection Blemish Care Sheet Mask by COSRX include Glycerin (Humectant that attracts and retains moisture), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Tea Tree Leaf Extract (Antimicrobial and soothing extract for blemish-prone skin), Arginine (pH adjuster and skin conditioning amino acid), Licorice Root Extract (Dipotassium Salt) (Anti-inflammatory and skin-soothing agent). Drawing on K-beauty research and community consensus, key ingredients show 82% effectiveness for acne in oily skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
AC Collection Blemish Care Sheet Mask is a Korean mask by COSRX. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
For oily skin, the key factors in evaluating AC Collection Blemish Care Sheet Mask are comedogenic ingredient ratings, oil content, and finish type. This mask contains 6 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
AC Collection Blemish Care Sheet Mask by COSRX is sold through authorized retailers and the brand itself. Buy from an authorized retailer or the brand's own site rather than an open marketplace. Olive Young Global ships to most countries but no longer ships to the US. Seoul Sister tracks counterfeit indicators to help you buy genuine Korean skincare. We are an advice platform and never sell products ourselves.
Eight Korean masks matched to real skin concerns, each justified by what's actually on the ingredient list, not the front of the box. Dry, sensitive, oily, and dull-looking skin each get two picks, with the fragrance figure you need to know before you buy.
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