# COSRX Pimple Master Patch vs Dermalogica Liquid Patch: Which to Choose?

**Question answered:** What is the difference between COSRX Acne Pimple Master Patch and Dermalogica Deep Acne Invisible Liquid Patch?

Published 2026-10-13, updated 2026-10-13. Data is taken from manufacturer labels; the products have not been tested.

These are two different formats for the same job. The COSRX Acne Pimple Master Patch is a hydrocolloid sticker with 7 listed materials and no actives or scent ingredients. The Dermalogica Deep Acne Invisible Liquid Patch is a liquid that dries into a film; Dermalogica states 5% colloidal sulfur as its active, and its 43-ingredient list includes niacinamide, lactic acid, seven essential oils and four fragrance allergens.

## How the labels differ

[COSRX Acne Pimple Master Patch](/products/cosrx-acne-pimple-master-patch/) lists 7 ingredients: petroleum resin, cellulose gum, styrene isoprene styrene block copolymer, polyurethane film, polyisobutylene, liquid paraffin and tetrakismethane. Its key ingredient is hydrocolloid, and COSRX sells it as fragrance free.

[Dermalogica Deep Acne Invisible Liquid Patch](/products/dermalogica-deep-acne-invisible-liquid-patch/) lists 43 ingredients. Its top five are water, [niacinamide](/ingredients/niacinamide/), propanediol, glycerin and acacia senegal gum. [Lactic acid](/ingredients/lactic-acid/) is eighth. Dermalogica states the sulfur at 5%; sulfur is not printed in the ingredient list stored for this product, which appears to be the inactive list. The brand sells it as fragrance free, but it lists geranium flower, lavandin, [lavender](/ingredients/lavender/), [lemon peel](/ingredients/citrus-limon-lemon-peel-oil/), clary, orange peel and rosemary leaf oils, plus thymol, [terpineol](/ingredients/terpineol/), camphor, [limonene](/ingredients/limonene/), [linalool](/ingredients/linalool/), [citronellol](/ingredients/citronellol/) and [geraniol](/ingredients/geraniol/).

The labels share no ingredients. Neither product file states skin types.

| Product | Key ingredients | Skin types | Fragrance | Flagged ingredients | Size | Source | Buy |
| --- | --- | --- | --- | --- | --- | --- | --- |
| [COSRX Acne Pimple Master Patch](https://dermalguide.com/products/cosrx-acne-pimple-master-patch/) | Hydrocolloid | Brand doesn't say | Sold as fragrance free | Nothing flagged | Brand doesn't list it | [Manufacturer label](https://www.cosrx.com/products/acne-pimple-master-patch), checked 2026-10-10 | [Amazon (affiliate)](https://amzn.to/4hNGpjy) |
| [Dermalogica Deep Acne Invisible Liquid Patch](https://dermalguide.com/products/dermalogica-deep-acne-invisible-liquid-patch/) | Sulfur 5% | Brand doesn't say | Sold as fragrance free, but the label lists scent ingredients | Limonene, Linalool, Geraniol, Citronellol | Brand doesn't list it | [Manufacturer label](https://www.dermalogica.com/products/deep-acne-liquid-patch), checked 2026-10-11 | [Amazon (affiliate)](https://amzn.to/3VJLl1s) |

## Which to choose

Choose COSRX Acne Pimple Master Patch if you want: A plain cover with no active ingredients listed; No essential oils or fragrance allergens on the label.

Choose Dermalogica Deep Acne Invisible Liquid Patch if you want: A spot product that lists sulfur, niacinamide and lactic acid.


## Questions

### Which one contains an active ingredient?

Dermalogica states 5% colloidal sulfur as the active, and its ingredient list also includes niacinamide and lactic acid. The COSRX patch lists hydrocolloid as its key ingredient and no acids or sulfur.

### Which one lists essential oils?

Dermalogica sells its liquid patch as fragrance free, but the list includes geranium flower, lavandin, lavender, lemon peel, clary, orange peel and rosemary leaf oils, plus limonene, linalool, citronellol and geraniol. The COSRX patch lists none.

### Do they share ingredients?

No. The two ingredient lists have no ingredients in common.