The Index · Supporting active / salt
Zinc Sulfate
Zinc Sulfate
Zinc Sulfate is a supporting active, amino acid, or salt in moisturisers and serums.
EmergingSupporting amino acid, vitamin derivative, or salt; usually present below featured-active levels.
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Zinc Sulfate is a supporting active, amino acid, or salt in moisturisers and serums.
What it does
Supporting NMF-type, vitamin, or mineral salt ingredient in moisturisers and serums.
The evidence
Evidence grade emerging: Supporting amino acid, vitamin derivative, or salt; usually present below featured-active levels. Credible chemical identity and cosmetic-use context come from CIR/SCCS/manufacturer INCI definitions and databases such as SpecialChem/PubChem[1].
How to use it
Expect this as a supporting INCI line item unless labelled as a featured active.
Evidence by claim
Graded separately; the entry grade is the best-supported claim
Zinc Sulfate is a supporting active, amino acid, or salt in moisturisers and serums.[1]
EmergingSafety & limits
Source and region, always
all — Used in cosmetics within conventional leave-on/rinse-off levels; see cited safety literature.[1] CA US EU UK
Sources · 2
Numbered as cited in the text
- [1]Cosmetic Ingredient Review. Cosmetic Ingredient Review safety assessment. CIR (2010)regulator
- [2]SpecialChem. SpecialChem INCI profile: Zinc Sulfate. SpecialChem (2024)other
Revision history
18 Sept 2026Drafted by botTheSkindex Desk