Cosmetic ingredient dictionary
Magnesium Carbonate Hydroxide in cosmetics: what it is and what it does
Magnesium Carbonate Hydroxide is a cosmetic ingredient that makes the product thicker or thinner. Open Beauty Facts finds it in 89 products, most often shampoos.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Magnesium Carbonate Hydroxide do in a product?
In a cosmetic product, Magnesium Carbonate Hydroxide makes the product thicker or thinner, holds a powder or a pressed product together and keeps the product's acidity steady. The EU’s CosIng database lists these jobs for it: viscosity controlling, binding, buffering and bulking.
What other names and numbers does Magnesium Carbonate Hydroxide have?
- CAS number
- 12125-28-9
- EC number
- 235-192-7
- CosIng reference
- 35087
Which products contain Magnesium Carbonate Hydroxide?
Open Beauty Facts finds Magnesium Carbonate Hydroxide in the ingredient lists of 89 of the 22,021 products it has a list for, most often shampoos, anti-dandruff shampoos and deodorants.
Products with it, by country of sale: France 57 · United States 11 · Canada 4 · Germany 3.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Magnesium Carbonate Hydroxide turns up, not how much of the market it is.
Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors
Sources
The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.
- European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
- Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL
Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check
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