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COSRX Acne Pimple Master Patch Ingredients Explained

3.9   from 17 ratings

Published on July 13, 2020


What it is

Facial treatment with 7 ingredients

Cool Features

It is cruelty-free and reef safe

Free From

It doesn't contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates

Fun facts

COSRX is from South Korea. This product is used in 360 routines created by our community.

We independently verify ingredients and our claims are backed by peer-reviewed research. Does this product need an update? Let us know.

You should know

Here's our breakdown of the notable ingredients, benefits, and concerns we determined from the ingredients in this product. Click any item to learn more.


May Worsen Oily Skin (2)

Ingredient Info

Click any item below to learn more and view relevant ingredients.
fungal-acne safe

Ingredients Overview

Here's our quick-to-read summary of the ingredients in this product. Keep scrolling if you'd like to learn more about what each ingredient does!
Emulsion Stabilising, Masking
0 / 0
Emollient, Moisturising, UV Absorber
May worsen Oily Skin IconNot safe for Fungal Acne Icon
Emollient, Skin Protecting, Solvent
0-2 / 0
May worsen Oily Skin IconNot safe for Fungal Acne Icon
UV Filter

Ingredients Explained

This product contains 7 ingredients. Click on any ingredient to learn more about it
What it does: Emulsion Stabilising, Masking
Community Rating: Mixed

Cellulose Gum is a water-soluble polymer that comes from cellulose. It is used to change the texture of a product and to help stabilize emulsions.

As an emulsifier, cellulose gum specifically thicken the texture of water-based products.

This ingredient is considered hypoallergenic and non-toxic. Cellulose Gum can be found in cosmetics, food, and other household goods such as paper products.

Learn more about Cellulose Gum

We don't have a description for Styrene/Isoprene Copolymer.

What it does:
Community Rating: Disliked

Polyisobutene is a synthetic polymer made from isobutene.

It is a film-forming agent and helps bind ingredients together.

Polyisobutene is not absorbed by the skin.

Learn more about Polyisobutene
What it does: Emollient, Moisturising, UV Absorber

Red Petrolatum isn't fungal acne safe. It can be bad for oily skin.

What it does:

We don't have a description for Polyurethane-5.

What it does: Emollient, Skin Protecting, Solvent
Community Rating: Very Disliked

Paraffinum Liquidum is also known as liquid paraffin. It is a type of highly refined mineral oil.

Like other oils, Paraffinum Liquidum has emollient properties. Emollients help soothe and soften the skin. By creating a barrier to trap moisture within, emollients help keep your skin hydrated.

Paraffinum Liquidum does not irritate the skin and is non-comedogenic. However, this ingredient may not work well for those with oily skin or fungal acne.

If you have concerns about using this ingredient in your routine, we recommend speaking with a professional.

Learn more about Paraffinum Liquidum
What it does: UV Filter

We don't have a description for Bis-Methane.

Embed Ingredients

Here's what our community thinks of the 7 ingredients in this product ✨

0% are loved or liked
14% have mixed ratings
29% are disliked or very disliked
57% have no rating yet

When to use

We've created a guide with info on when you should use COSRX Acne Pimple Master Patch. We've also included some recommended products to use it with, as well as some routine inspiration!

Read our guide on when to use Acne Pimple Master Patch ->
Verified by SkinSort

We're dedicated to providing you with the most up-to-date and science-backed ingredient info out there.

The data we've presented on this page has been verified by a member of the SkinSort Team.

Read more about us


See all 17
3.9 /5
from 17 ratings
Works Well (3) Great Value (2) Doesn't Work (1) Heavy (1) Hydrating (1) No Scent (1)
Zaphort's avatar


5 months ago Β· Oily Skin

Removed my pimple overnight. Seems to work on pimple with pus only.

Shayan's avatar


3 months ago Β· Sensitive Skin

LOVE these for pimples with a head, and for helping a red spot look less scary (papule pre-pustule). I only like cosrx patches, i find others to...

LOVE these for pimples with a head, and for helping a red spot look less scary (papule pre-pustule). I only like cosrx patches, i find others to have too much gluey adhesive or extra unhelpful ingredients.