Allergen & irritant analysis
4 flaggedThis sheet mask from Neutrogena lists 21 ingredients. AllerNote's analysis flags 3 known contact allergens and 1 common irritant in the INCI list. That includes 1 EU-labelled fragrance allergen (benzyl alcohol). No MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates were detected in the listed ingredients.
- MethylparabenKnown allergen (preservative): Methylparaben
- Benzyl alcoholKnown allergen (fragrance): Fragrance Mix
- EthylparabenKnown allergen (preservative): Ethylparaben
- 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: MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates. Contains: added fragrance, parabens.
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
- 1Hyaluronic AcidHydrates by attracting and holding water.
- 2AntioxidantsShields skin from free radical damage.
Full Ingredient List
21INCI (full list, INCI order): water, butylene glycol, glycerin, polyacrylate-13, methylparaben, benzyl alcohol, xanthan gum, polyisobutene, ethylparaben, peg-60 hydrogenated castor oil, triethylhexanoin, dipotassium glycyrrhizate, sodium citrate, bht, polysorbate 20, sodium hydroxide, sodium hyaluronate, sodium myristoyl glutamate, cetearyl olivate, citric acid, sorbitan olivate
Tap any ingredient to see details
Potential Concerns
- May Worsen EczemaMay worsen itching or irritation for eczema.
- May Worsen RosaceaCan trigger flare-ups in rosacea-prone skin.
- May Worsen DrynessCan strip moisture and worsen dryness.
- May Worsen IrritationMay cause stinging, redness, or sensitivity.
- May Worsen Oily SkinMay increase shine or excess oil.
Frequently asked questions
Does Hydro Boost Hydrating Mask contain fragrance allergens?
Yes — analysing the INCI list, AllerNote found 1 of the EU-labelled fragrance allergens: benzyl alcohol. If you're fragrance-sensitive or patch-test positive to a fragrance mix, treat Hydro Boost Hydrating Mask with caution and patch test before full use.
Does Hydro Boost Hydrating Mask contain parabens?
Yes, Hydro Boost Hydrating Mask's INCI list includes one or more parabens. For most people that's low-risk — parabens have a notably low contact-allergy rate — but if you've patch-tested positive to parabens specifically, choose a paraben-free alternative.
Is Hydro Boost Hydrating Mask suitable for sensitive or allergy-prone skin?
It depends on your specific triggers. Hydro Boost Hydrating Mask contains 3 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 Hydro Boost Hydrating Mask against your own profile.

