Is Butylparaben banned?
Butylparaben is permitted by the US FDA. Several countries restrict, warning-label, or have reviewed it for safety concerns. The US has more lenient additive rules than the EU, UK, Canada, and Japan, which is why this ingredient remains widely used here.
Why Butylparaben is flagged
Butylparaben is an endocrine-disrupting paraben with weak estrogenic activity. The EU restricts its concentration; it remains unrestricted federally in the US.
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