Master Patch Intensive
Exfoliant

Master Patch Intensive

COSRX10 Dec 2025
6Ingredients
0EU Banned
1Caution
0.0/5Comedogenic
Pregnancy Risk1 ingredient flagged
0.0/5Comedogenic
Pregnancy Risk1 ingredient flagged
Low Allergens1 fragrance allergen
50% Natural50% synthetic

Contains Regulated Ingredients

EU Restricted Ingredients

These ingredients are permitted in the EU but subject to concentration limits, usage conditions, or mandatory labelling requirements under Annex III of the EU Cosmetics Regulation.

Salicylic Acid
Restricted β€” see EU CosIng Annex III
What does "EU Restricted" mean?

Restricted ingredients are not banned β€” they are allowed in cosmetic products as long as specific conditions are met:

  • Concentration limits β€” maximum allowed percentage in the final product
  • Product type restrictions β€” some ingredients are only allowed in rinse-off or leave-on products
  • pH restrictions β€” the finished product must stay within a specific pH range
  • Mandatory labelling β€” certain allergens must be listed on the packaging
  • Usage conditions β€” must not be combined with certain other ingredients

These limits are based on the EU CosIng database (Annex III) and are updated regularly. Products sold in the EU must comply with all applicable restrictions.

Ingredient Chemistry

pH

pH Efficacy

pH Efficacy

pH 2.5 β€” Effective
2.5
0Neutral 714
pH estimated from category & ingredients: 2.5
Active ingredients: Salicylic Acid
Salicylic Acid at pH 2.5: acceptable but not ideal (3–4 is best)
Detected actives & ideal pH
Salicylic AcidpH 3–4

Microbiome

Composition & Ethics

Product Details

Attributes

Ethics
VeganLikely
No animal-derived ingredients detected
Cruelty-FreeUnknown
No brand statement β€” contact manufacturer
Safety
Fragrance-FreeLikely
No fragrance ingredients detected
Key Actives
Minimalist Formula6 ingredients
Confirmed Inferred Unknown Not compliant

Composition

50% natural50% synthetic
3 natural 3 synthetic

Based on 6 ingredients analyzed. 50% natural and 50% synthetic.

Functions Overview (9)

Texture & Feel

Texture & Feel

Expected texture
Grainy scrub or thin chemical liquid β€” physical exfoliants feel gritty, chemical ones feel like water
SpreadabilityEasy
AbsorptionFast
Tackiness / ResidueVery low
Finish:Smooth, refined β€” skin feels polished after rinsing

Gritty (physical) or tingling (chemical) β€” exfoliation sensation on skin.