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Untoxed HealthUntoxedHealth
Medium concernPreservative

Iodopropynyl Butylcarbamate

AllergenSkin irritant

What it is

An iodinated carbamate preservative.

What it does

Antifungal preservative used at low concentrations in cosmetics and paints.

Why it’s a concern

Rising cause of contact dermatitis recognized by the North American Contact Dermatitis Group. Delivers organic iodine, which raises concerns about aggregate iodine exposure in infants; the EU prohibits IPBC in products for children under three.

Also known as

IPBC

CAS numbers

55406-53-6

Commonly found in

lotionshampoobaby products (restricted)

Safer alternatives

  • sodium benzoate
  • potassium sorbate
  • phenoxyethanol

Sources

  • SCCS Opinion SCCS/1259/09