Ion 20 Vol. Developer
No. No, Ion 20 Vol. Developer is not silicone-free.
It lists Dimethicone.
- Dimethicone
Why
Silicones give slip and a smooth finish. On a label they end in methicone, siloxane or silanol: Dimethicone, Cyclopentasiloxane, Amodimethicone.
No, Ion 20 Vol. Developer is not silicone-free. It lists Dimethicone.
This is not a safety warning. It is a label fact, useful if you avoid this group on purpose.
Full ingredient list
Water, Hydrogen Peroxide, Cetearyl Alcohol, Ceteareth-20, Fragrance, PEG-40 Hydrogenated Castor Oil, Cetrimonium Chloride, Ethoxydiglycol, Disodium Pyrophosphate, Methylparaben, Oxyquinoline Sulfate, Dimethicone, Phosphoric Acid, Glyceryl Stearate, Polysorbate 60, Cellulose Gum, Glycerin, Sorbitan Laurate, Silica, Benzoic Acid, Triticum Vulgare Gluten.
Highlighted names triggered a “No” on one of the six checks. Underlined names open the ingredient dictionary. Source list as recorded on Open Beauty Facts.
Silicone-free products instead
Data: Open Beauty Facts, community database, ODbL license. Last checked 26 Aug 2026. Barcode 5033102916196.