Ion 20 Vol. Developer
No. No, Ion 20 Vol. Developer is not paraben-free.
It lists Methylparaben.
- Methylparaben
Why
Parabens are preservatives. On a label they end in paraben: Methylparaben, Propylparaben, Butylparaben. Paraben-free means none of them are in the list.
No, Ion 20 Vol. Developer is not paraben-free. It lists Methylparaben.
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.
Paraben-free products instead
Data: Open Beauty Facts, community database, ODbL license. Last checked 26 Aug 2026. Barcode 5033102916196.