Safety review concludes sodium sesquicarbonate, sodium bicarbonate, and sodium carbonate are safe in cosmetics.
This is a safety assessment of Sodium Sesquicarbonate, Sodium Bicarbonate, and Sodium Carbonate as used in cosmetics. These ingredients are used in bath, skin, and hair preparations. The Expert Panel for Cosmetic Ingredient Safety (Panel) reviewed relevant animal and human data related to these ingredients. The Panel concluded that Sodium Sesquicarbonate, Sodium Bicarbonate, and Sodium Carbonate are safe as cosmetic ingredients in the practices of use and concentrations as described in the safety assessment.
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Fiume et al. (2025) studied this question.
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