Cyclopentasiloxane (D5)

A volatile silicone widely used in hair and skin products for slip.

Type
Silicone
How serious
Low severity
Evidence
Emerging evidence

Why it is flagged

Persistent and bioaccumulative; under ongoing endocrine review, with wash-off use already restricted in the EU.

Health topics it bears on

Sources

Also listed as

d5, decamethylcyclopentasiloxane

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