Allergen & irritant analysis
2 flaggedThis facial treatment from La Roche-Posay lists 25 ingredients. AllerNote's analysis flags 1 known contact allergen and 1 common irritant 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
- 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.
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
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
- 1BHAUnclogs pores and reduces excess oil.
- 2Hyaluronic AcidHydrates by attracting and holding water.
- 3Azelaic AcidGently exfoliates and reduces inflammation.
- 4ZincHelps control oil and supports healing.
- 5ExfoliatorsRemoves dead skin cells to smoothe texture.
Full Ingredient List
25INCI (full list, INCI order): active ingredients: salicylic acid 1.2% inactive ingredients: water, azelaic acid, c15-19 alkane, glycerin, triethyl citrate, diglycerin, panthenol, silica, ammonium polyacryloyldimethyl taurate, taraxacum officinale rhizome/root extract, zinc gluconate, glyceryl stearate, peg-100 stearate, sodium hyaluronate, sodium hydroxide, sodium phosphate, disodium phosphate, hydroxyethylcellulose, hydroxypropyl starch phosphate, tetrasodium glutamate diacetate, citric acid, trisodium ethylenediamine disuccinate, pentylene glycol, polysorbate 60, 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.Z. Salicylic Acid Acne Medication 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.Z. Salicylic Acid Acne Medication with caution and patch test before full use.
Is Effaclar A.Z. Salicylic Acid Acne Medication paraben-free?
No parabens were detected in Effaclar A.Z. Salicylic Acid Acne Medication'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.Z. Salicylic Acid Acne Medication suitable for sensitive or allergy-prone skin?
It depends on your specific triggers. Effaclar A.Z. Salicylic Acid Acne Medication contains 1 flagged allergen and 1 irritant (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.Z. Salicylic Acid Acne Medication against your own profile.

