Sodium Sesquicarbonate
INCI: SODIUM SESQUICARBONATE
Reviewed by Rosie · Last updated 18 Aug 2026
What Is Sodium Sesquicarbonate?
Sodium Sesquicarbonate (INCI: SODIUM SESQUICARBONATE) is a cosmetic ingredient listed in the EU CosIng inventory. Trisodium hydrogendicarbonate.
Its declared cosmetic functions are buffering, bulking and cleansing.
Source: European Commission CosIng inventory.
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