Zinc Citrate
Limits microbes.
What it is
The zinc salt of citric acid, the acid found in citrus fruits.
Used mainly in products for the mouth, where it helps slow microbial growth and protect against plaque.
What it does in a formula
Limits microbesOfficial EU function: Antimicrobial
Used in oral careOfficial EU function: Oral care
What official sources say
Restricted in certain uses · Cosmetics, EU
Allowed in EU cosmetics only within set limits and conditions (Annex III, entry 24).
Regulation (EC) No 1223/2009, Annex III: list of substances which cosmetic products must not contain except subject to the restrictions laid down (CosIng), retrieved 2026-10-09