Cosmetic ingredient dictionary
Magnesium Silicate in cosmetics: what it is and what it does
Magnesium Silicate is a cosmetic ingredient that makes the product thicker or thinner. Open Beauty Facts finds it in 39 products, most often makeup.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Magnesium Silicate do in a product?
In a cosmetic product, Magnesium Silicate makes the product thicker or thinner, absorbs water or oil and keeps a powder free-flowing. The EU’s CosIng database lists these jobs for it: viscosity controlling, absorbent, anticaking, bulking and opacifying.
What other names and numbers does Magnesium Silicate have?
- CAS number
- 1343-88-0
- EC number
- 215-681-1
- CosIng reference
- 35118
Which products contain Magnesium Silicate?
Open Beauty Facts finds Magnesium Silicate in the ingredient lists of 39 of the 22,021 products it has a list for, most often makeup, lipsticks and lip makeup.
Products with it, by country of sale: Norway 19 · France 7 · Netherlands 7 · Turkey 3.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Magnesium Silicate 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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