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Ascorbic Acid (Vitamin C)

Approved Ingredients
Ascorbic Acid (Vitamin C)

Ascorbic Acid (Vitamin C)

Ascorbic acid, also known as Vitamin C, is a water-soluble vitamin that can be used as an antioxidant in toothpaste tablets. When combined with other ingredients, such as baking soda, silica, and essential oils, it helps to create a gentle and effective toothpaste that promotes oral health and sustainability.

Ascorbic acid is naturally occurring in many fruits and vegetables, including oranges, kiwifruit, and bell peppers. For commercial use, it's typically produced via a fermentation process that begins with sugars from corn or wheat. It comes in the form of a pale yellow crystalline powder with a pleasant sharp acidic taste.

Other names: Vitamin C, Acidum Ascorbicum, L-Ascorbic Acid

Chemical class: Heterocyclic Compounds, Polyols


Vranić, E., Lacević, A., Mehmedagić, A., & Uzunović, A. (2004). Formulation ingredients for toothpastes and mouthwashes. Bosnian journal of basic medical sciences, 4(4), 51–58.

National Center for Biotechnology Information (2023). PubChem Compound Summary for CID 54670067, Ascorbic Acid.

INCI Name:
Ascorbic Acid
Ingredient origins:
Corn, Wheat, Plant Sugars
Common name:
Vitamin C
EWG score: The EWG score is a hazard score ranging from 1-2 (low hazard), 3-6 (moderate hazard) and 7-10 (high hazard) published by the Environmental Working Group. Their data is sourced from the Skin Deep® database and studies published in open scientific literature.