Allergen & irritant analysis
7 flaggedThis facial treatment from La Roche-Posay lists 22 ingredients. AllerNote's analysis flags 5 known contact allergens and 2 common irritants in the INCI list. That includes 1 EU-labelled fragrance allergen (parfum). No parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates were detected in the listed ingredients.
- ParfumKnown allergen (fragrance): Fragrance Mix I
- Acrylates copolymerKnown allergen (nail_product): Acrylates
- Iodopropynyl butylcarbamateKnown allergen (preservative): Iodopropynyl Butylcarbamate
- Propylene glycolKnown allergen (solvent): Propylene Glycol
- Cetyl alcoholKnown allergen (emollient): Cetyl Alcohol
- Sodium hydroxideStrong alkaline substance that can be highly corrosive and irritating in high concentrations; used safely in cosmetics only in neutralized, low concentrations for pH adjustment.
- Chlorhexidine digluconateKnown contact sensitizer, can cause allergic reactions ranging from contact dermatitis to anaphylaxis.
Not detected: parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates. Contains: added fragrance.
Based on what's flagged, take extra care if you're among:
- People with fragrance allergy or fragrance-sensitive skin
- People sensitised to preservatives (e.g. MI/MCI or formaldehyde releasers)
Generated from this product's ingredient list and AllerNote's allergen database — educational, not medical advice or a substitute for patch testing.
Benefits
Key Ingredients
- 1ExfoliatorsRemoves dead skin cells to smoothe texture.
- 2BHAUnclogs pores and reduces excess oil.
- 3NiacinamideStrengthens, smooths, and brightens skin.
Full Ingredient List
22INCI (full list, INCI order): water, cyclohexasiloxane, isononyl isononanoate, propylene glycol, isohexadecane, niacinamide, peg-100 stearate, glyceryl stearate, cetyl alcohol, argilla, carbomer, sodium hydroxide, capryloyl glycine, capryloyl salicylic acid, citric acid, xanthan gum, acrylates copolymer, salicylic acid, iodopropynyl butylcarbamate, chlorhexidine digluconate, piroctone olamine, parfum
Tap any ingredient to see details
Potential Concerns
- May Worsen RosaceaCan trigger flare-ups in rosacea-prone skin.
- May Worsen EczemaMay worsen itching or irritation for eczema.
- May Worsen DrynessCan strip moisture and worsen dryness.
Frequently asked questions
Does Effaclar A.I Breakout Corrector contain fragrance allergens?
Yes — analysing the INCI list, AllerNote found 1 of the EU-labelled fragrance allergens: parfum. If you're fragrance-sensitive or patch-test positive to a fragrance mix, treat Effaclar A.I Breakout Corrector with caution and patch test before full use.
Is Effaclar A.I Breakout Corrector paraben-free?
No parabens were detected in Effaclar A.I Breakout Corrector's listed ingredients. Worth keeping in perspective: parabens are among the least common cosmetic allergens, so "paraben-free" matters far less for reactive skin than avoiding fragrance or the preservative MI/MCI.
Is Effaclar A.I Breakout Corrector suitable for sensitive or allergy-prone skin?
It depends on your specific triggers. Effaclar A.I Breakout Corrector contains 5 flagged allergens and 2 irritants (listed in the analysis above). If none are on your personal allergen list it may suit you, but patch test first — add your allergens to AllerNote to check Effaclar A.I Breakout Corrector against your own profile.

