Is Pentylene Glycol banned?
Pentylene Glycol 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 Pentylene Glycol is flagged
Pentylene glycol has a good safety and tolerability profile. It is less irritating than propylene glycol and is suitable for sensitive skin formulations. No carcinogenic or endocrine effects are identified. It is COSMOS/ECOCERT acceptable when bio-based. Minor irritation is possible at high concentrations in compromised skin.
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