Effaclar Duo+M Multi-Action Spot Patch with Hydrocolloid Technology, 22 Patches (Available in 2 sizes)
Ingredient Analysis
- Hydrogenated Poly(C6-20 Olefin) Lightweight emollient & spreadability All skin types
- Cellulose Gum Thickener & gel former All skin types
- Hydrogenated Styrene/Butadiene Copolymer Texture & smoothing agents All skin types
- Paraffinum Liquidum Emollient & occlusive Generally gentle
- Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Antioxidant preservative All skin types
Ingredients from the Boots.com listing, checked 19 Oct 2026, in INCI order. Brands reformulate, so check the pack if you react to an ingredient. Highlighted ingredients link to our guide. Informational only — not medical advice.
Common questions
Is La Roche-Posay Effaclar Duo+M Multi-Action Spot Patch fragrance-free?
Yes. No fragrance, essential oils or fragrance allergens are listed in its ingredients.
Does La Roche-Posay Effaclar Duo+M Multi-Action Spot Patch contain alcohol?
No drying alcohol (alcohol denat. or ethanol) is listed.
Is La Roche-Posay Effaclar Duo+M Multi-Action Spot Patch safe for fungal acne?
None of the ingredients usually flagged for fungal acne are listed: fatty acids with 11–24 carbons and their esters, polysorbates, plant oils and butters, or ferments. The evidence comes mainly from lab studies of yeast growth, and fungal acne needs a diagnosis from a GP or dermatologist.
Is La Roche-Posay Effaclar Duo+M Multi-Action Spot Patch suitable for sensitive skin?
Its ingredient list avoids the most common irritants: no fragrance, essential oils, drying alcohol or strong exfoliating acids are listed. Reactions are individual, so patch-test anything new.
Is there a dupe for La Roche-Posay Effaclar Duo+M Multi-Action Spot Patch?
The closest formula from another brand in our catalogue is Garnier Blemish Patches (100% ingredient overlap, 5 of the top 5 ingredients in common), followed by CeraVe Blemish Barrier Patches (59% ingredient overlap). A similar ingredient list doesn't guarantee the same concentrations, texture or results.
Where to Buy
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Similar formulas & dupes
Products from other brands with ingredient lists closest to La Roche-Posay Effaclar Duo+M Multi-Action Spot Patch with Hydrocolloid Technology, 22 Patches (Available in 2 sizes). The overlap is weighted towards the top of each list, where most of the formula is, and ignores ingredients found in almost everything. A close match doesn't mean the same concentrations, texture or results.
