Allergen & irritant analysis
2 flaggedThis moisturizer from La Roche-Posay lists 26 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
- 1NiacinamideStrengthens, smooths, and brightens skin.
- 2AntioxidantsShields skin from free radical damage.
Full Ingredient List
26INCI (full list, INCI order): water, glycerin, squalane, dimethicone, panthenol, zea mays starch, niacinamide, ammonium polyacryloyldimethyl taurate, myristyl myristate, bixa orellana seed extract, stearic acid, potassium cetyl phosphate, glyceryl stearate se, sodium hydroxide, myristic acid, 2-oleamido-1, 3-octadecanediol, palmitic acid, hydroxyacetophenone, capryloyl glycine, caprylyl glycol, vitreoscilla ferment, citric acid, maltodextrin, xanthan gum, parfum
Tap any ingredient to see details
Potential Concerns
- May Trigger AcneCan clog pores or trigger breakouts.
- May Worsen Oily SkinMay increase shine or excess oil.
- May Worsen RosaceaCan trigger flare-ups in rosacea-prone skin.
- May Worsen EczemaMay worsen itching or irritation for eczema.
Frequently asked questions
Does Effaclar H Iso-Biome Moisturiser 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 H Iso-Biome Moisturiser with caution and patch test before full use.
Is Effaclar H Iso-Biome Moisturiser paraben-free?
No parabens were detected in Effaclar H Iso-Biome Moisturiser'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 H Iso-Biome Moisturiser suitable for sensitive or allergy-prone skin?
It depends on your specific triggers. Effaclar H Iso-Biome Moisturiser 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 H Iso-Biome Moisturiser against your own profile.

