High Concern

Isobutylparaben

Flagged by EWG Skin Deep as a endocrine disruption concern

What it is

A paraben preservative with endocrine-disrupting activity. Less common than methyl/propyl/butylparaben but carries the same class concerns.

Found in 4 products on this site

Sorted worst score first. Lower score = more concerning overall formulation.

Products that avoid this ingredient

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