Metalmedium risk Common irritant
Nickel Sulfate
INCI · Nickel Sulfate
A metal commonly found in cosmetic tools and some pigments. Very common allergen.
Why dermatologists flag it
Most common metal allergy - affects ~10-20% of population
Names to look for on labels
Nickel Sulfate appears under any of these names — manufacturers choose between INCI, common, and local-language terms freely.
Nickel SulfateNickelNiNickel(II) sulfateNickel Sulfate HexahydrateNickel(II) sulfate hexahydrateनिकल
Common product categories
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