Allergen & irritant analysis
1 flaggedThis serum from Neutrogena lists 14 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
- 1NiacinamideStrengthens, smooths, and brightens skin.
- 2Hyaluronic AcidHydrates by attracting and holding water.
Full Ingredient List
14INCI (full list, INCI order): water, niacinamide, glycerin, acetyl glucosamine, pentylene glycol, dimethicone, phenoxyethanol, carbomer, disodium edta, sodium hyaluronate, sodium hydroxide, ethylhexylglycerin, dimethicone/vinyl dimethicone crosspolymer, amodimethicone
Tap any ingredient to see details
Frequently asked questions
Is Hydro Boost+ Niacinamide Serum, Fragrance Free fragrance-free?
No added fragrance or EU-labelled fragrance allergens were detected in Hydro Boost+ Niacinamide Serum, Fragrance Free'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 Hydro Boost+ Niacinamide Serum, Fragrance Free paraben-free?
No parabens were detected in Hydro Boost+ Niacinamide Serum, Fragrance Free'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 Hydro Boost+ Niacinamide Serum, Fragrance Free suitable for sensitive or allergy-prone skin?
It depends on your specific triggers. Hydro Boost+ Niacinamide Serum, Fragrance Free 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 Hydro Boost+ Niacinamide Serum, Fragrance Free against your own profile.

