Signal dentifrice
No. No, Signal dentifrice is not sulfate-free.
It lists Sodium Lauryl Sulfate.
- Sodium Lauryl 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, Signal dentifrice is not sulfate-free. It lists Sodium Lauryl Sulfate.
This is not a safety warning. It is a label fact, useful if you avoid this group on purpose.
Full ingredient list
Sodium Fluoride (1450ppm Fluoride), Potassium Citrate, Zinc Citrate, Aqua, Sorbitol, Hydrated Silica, PEG-32, Sodium Lauryl Sulfate, Aroma, Eugenia Caryophyllus Leaf Oil, Juniperus Communis Fruit Oil, Cellulose Gum, Sodium Fluoride, Sodium Saccharin, Eugenol, Limonene, CI 73360.
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 toothpastes instead
Data: Open Beauty Facts, community database, ODbL license. Last checked 26 Aug 2026. Barcode 6130601012028.