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Calcium Chloride

Approved Ingredients
Calcium Chloride

Calcium Chloride

Calcium chloride is a crystalline salt that is highly soluble in water. We use this ingredient in some of our laundry products to improve their viscosity and stability.

Calcium chloride can be produced by reacting hydrochloric acid with calcium hydroxide (slaked lime). It can also be derived from limestone and brine (as by-product of the Solvay process, which produces soda ash from brine). Calcium chloride is highly hygroscopic, which means it readily absorbs water, and its uses range from de-icing road surfaces, to applications in medicine and food technologies such as ‘self-heating’ meal kits.

Other names: CaCl2H4O2; Calcium Chloride, Dihydrate; Calcium Dichloride

Chemical class: Inorganic Salts


R.C. Ropp, Chapter 2 - Group 17 (H, F, Cl, Br, I) Alkaline Earth Compounds, Editor(s): R.C. Ropp, Encyclopedia of the Alkaline Earth Compounds, Elsevier, 2013, Pages 25-104, ISBN 9780444595508,

National Center for Biotechnology Information (2021). PubChem Compound Summary for CID 24844, Calcium chloride. Retrieved December 29, 2021 from

INCI Name:
Calcium Chloride
Ingredient origins:
Brine, Limestone
Viscosity Modifying Agent
Common name:
Calcium Chloride
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.