Allergen & irritant analysis
1 flaggedThis overnight mask from Kiehl's lists 17 ingredients. AllerNote's analysis flags 1 common irritant in the INCI list. No added fragrance, parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates were detected in the listed ingredients.
- 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: added fragrance, parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates.
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.
Full Ingredient List
17INCI (full list, INCI order): water, lauryl laurate, squalane, isononyl isononanoate, behenyl behenate, sorbitan olivate, sorbitan stearate, polyhydroxystearic acid, candelilla cera, propanediol, phenoxyethanol, sodium polyacrylate, chlorphenesin, ethylhexylglycerin, pseudoalteromonas ferment extract, salicylic acid, sodium hydroxide
Tap any ingredient to see details
Potential Concerns
- May Worsen DrynessCan strip moisture and worsen dryness.
- May Worsen EczemaMay worsen itching or irritation for eczema.
- May Worsen RosaceaCan trigger flare-ups in rosacea-prone skin.
Frequently asked questions
Is Ultra Facial Overnight Hydrating Face Mask With 10.5% Squalane fragrance-free?
No added fragrance or EU-labelled fragrance allergens were detected in Ultra Facial Overnight Hydrating Face Mask With 10.5% Squalane's listed ingredients. "Not detected" isn't an absolute guarantee, but it's a good sign for fragrance-sensitive skin — confirm against the current pack and your own triggers.
Is Ultra Facial Overnight Hydrating Face Mask With 10.5% Squalane paraben-free?
No parabens were detected in Ultra Facial Overnight Hydrating Face Mask With 10.5% Squalane'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 Ultra Facial Overnight Hydrating Face Mask With 10.5% Squalane suitable for sensitive or allergy-prone skin?
It depends on your specific triggers. Ultra Facial Overnight Hydrating Face Mask With 10.5% Squalane contains 0 flagged allergens 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 Ultra Facial Overnight Hydrating Face Mask With 10.5% Squalane against your own profile.