Medium Concern

Cyclopentasiloxane

Flagged by EWG Skin Deep as a endocrine disruption potential, environmental persistence concern

What it is

A cyclic silicone used in hair and skin care for smooth texture. Under regulatory review for bioaccumulation and hormone-disruption potential.

Found in 10 products on this site

Sorted worst score first. Lower score = more concerning overall formulation.

Products that avoid this ingredient

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