Null serum
Yes. Yes, Null serum 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, Null serum 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
Es: Agua Purificada, Antarcticina, Dimeticona, Colágeno Hidrolizado, Glicerina, Carbopol, Miristato De Isopropilo, Emulgin B1, ácido Esteárico, Conservadores, Trietanolamina, Hidroxipropilmetilcelulosa, ácido Hialurónico, EDTA Y Fragancia, Modo De Uso: Aplicar Suavemente Por La Mañana Y Noche Sobre El.
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 7502245181474.