Calcium Aluminum Borosilicate
What is Calcium Aluminum Borosilicate?
Calcium Aluminum Borosilicate is a manufactured inorganic glass formed by melting and cooling a mixture of calcium oxide, aluminum oxide, boron oxide, and silicon dioxide. This creates hard, smooth, spherical particles that are chemically inert and stable. In cosmetics, particularly makeup such as eyeshadows, foundations, and highlighters, as well as select skincare formulations, it acts mainly as a bulking agent. It increases the product's mass and viscosity, aiding in better structuring and handling. During use, the particles promote even spreading, impart a silky touch, and can refract light for a soft-focus or pearlescent look. Being non-absorbable, they stay on the skin's surface, supporting optical effects without impacting underlying skin functions or active components.
Roles in Formulation
This ingredient serves the following purposes in cosmetic formulations:
Benefits
Builds product volume for improved stability and application ease.
Smooths texture for a luxurious, spreadable feel.
Adds subtle light reflection for enhanced visual finish.
Who It's For
A quick guide for who this ingredient may suit (and who should be cautious).
| Who May Benefit | Who Should Avoid |
|---|---|
| People seeking silky textures in daily makeup. | Those sensitive to particulate matter in powders. |
| Individuals wanting lightweight, buildable formulas. | People with inhalation concerns from loose powders. |
| Users preferring products with even coverage and soft focus. | Individuals avoiding synthetic inorganics entirely. |
Safety Notes
- Deemed safe for topical cosmetic use in standard formulations.
- Inert particles pose minimal skin penetration risk.
Frequently Asked Questions about Calcium Aluminum Borosilicate
What is Calcium Aluminum Borosilicate made of?
A fused blend of calcium, aluminum, boron, and silicon oxides forming inert glass particles.
Is it safe for everyday cosmetic use?
Yes, regulatory assessments confirm safety for topical application in typical products.
Does it affect pore appearance?
No, its non-comedogenic nature supports clear pore use.