Syoss Oleo Supreme 4-18 Marron Chocolat
No. No, Syoss Oleo Supreme 4-18 Marron Chocolat is not sulfate-free.
It lists Sodium Myreth Sulfate and Sodium Cetearyl Sulfate.
- Sodium Myreth Sulfate
- Sodium Cetearyl Sulfate
Why
Sulfates are foaming cleansers such as Sodium Lauryl Sulfate and Sodium Laureth Sulfate. Mineral salts like Magnesium Sulfate are not cleansers and do not count.
No, Syoss Oleo Supreme 4-18 Marron Chocolat is not sulfate-free. It lists Sodium Myreth Sulfate and Sodium Cetearyl Sulfate.
This is not a safety warning. It is a label fact, useful if you avoid this group on purpose.
Full ingredient list
Crème Soin Colorante : Aqua, Cetearyl Alcohol, Ethanolamine, Coconut Alcohol, Sodium Laureth-6 Carboxylate, Sodium Myreth Sulfate, Glycine, Bis-diisopropanolamino-pg-propyl Dimethicone/Bis-isobutyl PEG-14 Copolymer, Toluene-2, 5-diamine Sulfate, Acrylamidopropyltrimonium Chloride/Acrylates Copolymer, Coco-glucoside, Paraffinum Liquidum, Ceteareth-20, Ceteareth-12, Parfum, Glyceryl Oleate, Potassium Hydroxide, Sodium Sulfite, Sodium Silicate, Resorcinol, Etidronic Acid, Citric Acid, Ascorbic Acid, 2-methylresorcinol, 7-napthalenediol, 4-chlororesorcinol, Butyloctanol, Polysorbate 20, Sodium Chloride, M-aminophenol, 2-amino-3-hydroxypyridine, Hexyl Salicylate, Citronellol, Révélateur Crème à L'huile : Aqua, Hydrogen Peroxide, PEG-40 Castor Oil, Sodium Cetearyl Sulfate, Disodium Pyrophosphate, 6-dicarboxypyridine, Sodium Benzoate, Soin Fixateur De Couleur : Aqua, Quaternium-87, Hydrolyzed Keratin, Panthenol, Prunus Armeniaca Kernel Oil, Niacinamide, Stearamidopropyl Dimethylamine, Propylene Glycol, Isopropyl Myristate, Distearoylethyl Hydroxyethylmonium Methosulfate, Phenoxyethanol, Glyceryl Stearate, Sodium Methylparaben, Hexyl Cinnamal, Butylphenyl Methylpropional, Benzyl Salicylate, Linalool, Benzyl Alcohol, Limonene.
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.
Sulfate-free hair dyes instead
Data: Open Beauty Facts, community database, ODbL license. Last checked 26 Aug 2026. Barcode 3178514699564.