Cosmetic ingredient

CALCIUM SILICATE

Calcium silicate, listed as CALCIUM SILICATE, is an inorganic compound made from calcium and silicate. It may occur as a hydrated or anhydrous material with variable proportions of those constituents, so it is not a botanical extract, oil, or butter.

Molecular structure of CALCIUM SILICATE
2D molecular structure
CAS number
1344-95-2
EC number
215-710-8
Molecular formula
CaH6O8Si2
Molecular weight
230.29
Chemical name
Silicic acid, calcium salt
InChIKey
LECAAGVQUHQAJK-UHFFFAOYSA-N

CALCIUM SILICATE: what it is

Calcium silicate, listed as CALCIUM SILICATE, is an inorganic compound made from calcium and silicate. It may occur as a hydrated or anhydrous material with variable proportions of those constituents, so it is not a botanical extract, oil, or butter.

The name does not mean calcium alone or silica alone. It is a silicate that combines both, a distinction that helps explain its mineral-powder character and why it is used where a product's texture and visible finish matter alongside the ingredients applied to the skin.

CALCIUM SILICATE: what it does in cosmetics

In cosmetics, calcium silicate can take up moisture or oil within the formula itself. In a face powder, for example, that property can support a drier feel during application and help the powder stay loose rather than looking damp.

It can also add bulk and make a formula less transparent. In practical terms, this can help build powders, foundations, or similar products that need more volume and visual coverage; it is not an active ingredient intended to treat acne, dark spots, wrinkles, or another skin condition.

Catalogue presence

Products containing this ingredient

See which products include it and the name used in each composition.