Yes. Yes, Monday Deep Moisture Hair Mask is sulfate-free.
No sulfate cleansers in the list. Mineral salts like Magnesium Sulfate do not count.
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.
Yes, Monday Deep Moisture Hair Mask is sulfate-free. No sulfate cleansers in the list. Mineral salts like Magnesium Sulfate do not count.
This is not a safety warning. It is a label fact, useful if you avoid this group on purpose.
Full ingredient list
Butyrospermum Parkii Butter, C10-18 Triglycerides, Hydrolyzed Keratin, Argania Spinosa Kernel Oil, Theobroma Cacao Seed Butter, Phenoxyethanol, Behentrimonium Chloride, Hydroxyethylcellulose, PEG-100 Stearate, Glyceryl Stearate, Chlorphenesin, Isopropyl Alcohol, Polyquaternium-37, Disodium EDTA, Laureth-23, TEA-DODECYLBENZENESULFONATE, Propylene Glycol Dicaprylate/Dicaprate, Cocamidopropyl Betaine, C12-15 Pareth-3, Guar Hydroxypropyltrimonium Chloride, PPG-1 Trideceth-6, Ethylhexylglycerin, Citric Acid, Acrylates/Stearyl Methacrylate Copolymer, Sorbitan Oleate, Polysorbate 60, Disodium Phosphate, Sodium Phosphate, Parfum (Fragrance), Hexyl Cinnamal, Linalool.
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.
Data: Open Beauty Facts, community database, ODbL license. Last checked 23 Sept 2026. Barcode 4895248004394.