Kocostar A.M. Sunday Happy Hydrogel Mask
Yes. Yes, Kocostar A.M. Sunday Happy Hydrogel 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, Kocostar A.M. Sunday Happy Hydrogel 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
Collagen Water, Glycerin, Cetyl Ethylhexanoate, Niacinamide, 2-hexanediol, Chondrus Crispus Powder, Ceratonia Siliqua (Carob) Gum, Caprylic/Capric Triglyceride, Xanthan Gum, Water/Aqua, Phenoxyethanol, Panthenol, PEG-60 Hydrogenated Castor Oil, Chlorphenesin, Cyamopsis Tetragonoloba (Guar) Gum, Agar, Tocopheryl Acetate, Allantoin, Potassium Chloride, Glucose, Butylene Glycol, Adenosine, Collagen Extract, Disodium EDTA, Artemisia Vulgaris Oil, Copaifera Officinalis (Balsam Copaiba) Resin, Mentha Viridis (Spearmint) Leaf Oil, Dipotassium Glycyrrhizate, Sodium Hyaluronate, Undaria Pinnatifida Extract, Codium Tomentosum Extract, Enteromorpha Compressa Extract, Laminaria Japonica Extract, Salicornia Herbacea Extract, Aspergillus Ferment, Saccharomyces Ferment Filtrate, Galactomyces Ferment Filtrate, Leuconostoc/Radish Root Ferment Filtrate, Lactobacillus Ferment Lysate, Lactococcus Ferment Lysate, Beta-glucan, Tocopherol.
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 26 Aug 2026. Barcode 8809328326098.