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Quick answer: Both score equally on our risk model. Cyclopentasiloxane is restricted in the EU and allowed in the US; Daidzein is restricted in the EU and allowed in the US.
| Property | Cyclopentasiloxane | Daidzein |
|---|---|---|
| EU status | Restricted | Restricted |
| US status | Allowed | Allowed |
| Risk level | medium | medium |
| Banned in | — | — |
| Restricted in | European Union | European Union |
| Category | endocrine disruptor | endocrine disruptor |
| Where it hides | hair serum, primer, deodorant | anti-aging serum, phytoestrogen creams |
Cyclopentasiloxane is a volatile silicone (D5) used for smooth, silky texture.
Daidzein (Daidzein) is a soy-derived phytoestrogen.
Cyclopentasiloxane: Persistent and bioaccumulative; the EU restricts D5 in wash-off products over environmental and endocrine concerns. The US has no restriction.
Daidzein: Listed by the EU as an endocrine disruptor; restricted in cosmetics.
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