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In cosmetic formulas, Thimerosal stops microbes from growing so the product stays safe to use.
Thimerosal stops microbes from growing so the product stays safe to use.
The listed functions explain its role in a formula. They do not establish whether a finished product will suit your skin.
No reviewed benefit claim is available here yet. Compare the complete formula, its directions, and your own skin preferences.
What a CosIng listing meansThe research feed contains 4 linked papers (2025-2026).
Highlights below name the ingredient or a recorded alias in their titles. A mention does not establish a skincare benefit: a paper may study oral use, a combination formula, or a different population. Reviewed ingredient claims, when available, are assessed separately for their stated scope.
Related ingredients, common formula neighbors, naming, and catalog context. This stays separate from evidence and personal-fit guidance.
Similar ingredients
related by documented function or concern
No products in our catalog list this ingredient yet.
Ingredient lists show presence and order, not concentration, pH, ingredient grade, delivery system, or finished-formula performance.
Sources & methodologyCompiled from the EU CosIng database (ref 38582) · snapshot 16 June 2026. CosIng is an informational, non-legally-binding reference. Inclusion does not mean an ingredient is approved, safe, authorized for cosmetic use, or clinically effective. An INCI list does not reveal concentration, pH, ingredient grade, delivery system, or finished-formula performance.