Quick answer: Chlorphenesin carries the heavier risk profile. Caprylyl Glycol is allowed in the EU and allowed in the US; Chlorphenesin is restricted in the EU and allowed in the US.
| Property | Caprylyl Glycol | Chlorphenesin |
|---|---|---|
| EU status | Allowed | Restricted |
| US status | Allowed | Allowed |
| Risk level | low | low |
| Banned in | — | — |
| Restricted in | — | European Union |
| Category | preservative | preservative |
| Where it hides | First Aid Beauty Ultra Repair Cream, Drunk Elephant C-Firma Fresh Day Serum, SkinMedica HA5 Rejuvenating Hydrator | lotion, makeup, wipes |
Caprylyl glycol (1,2-octanediol) is a multifunctional ingredient derived from caprylic acid (from coconut or palm kernel oil). It serves as a skin-conditioning agent, emollient, and preservative booster with direct antimicrobial activity.
Chlorphenesin (Chlorphenesin) is a preservative.
Caprylyl Glycol: Caprylyl glycol is considered safe at cosmetic use concentrations. No carcinogenic, mutagenic, or endocrine-disrupting effects are documented. Mild skin sensitization is extremely rare. It is broadly compatible with sensitive skin and is accepted in many natural and clean beauty formulas.
Chlorphenesin: The EU caps it at 0.3%.
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