Ingredient
Calcium Aluminum Borosilicate
What is Calcium Aluminum Borosilicate?
Calcium Aluminum Borosilicate is a glass-like, inorganic compound that is often used in cosmetics and personal care products. It is made by fusing oxides of calcium, aluminum, and boron, resulting in a stable, high-temperature-resistant material.
In makeup, it provides a shimmering or pearlescent effect, making it popular in products like eyeshadows, highlighters, and lip glosses. The health evidence regarding Calcium Aluminum Borosilicate is limited, but it is generally considered safe as it does not easily penetrate the skin.
When you see it on a label, it usually indicates that the product will have a glittery or luminous finish. It's particularly valued for its ability to reflect light, enhancing visual appeal without known significant risks.
Commonly found in: eyeshadow, highlighter, lip gloss, foundation, nail polish
Benefits
- Provides a shimmering or pearlescent effect in cosmetics.
- Enhances visual appeal by reflecting light.
Calcium Aluminum Borosilicate is approved for use in cosmetics in the U.S. without specific restrictions.
There is limited research specifically on Calcium Aluminum Borosilicate, but it is considered safe due to its stability and low skin penetration.
Calcium Aluminum Borosilicate is mineral-based and not derived from animals, making it typically suitable for vegans.
Sources: Cosmetic Ingredient Review of Calcium Aluminum Borosilicate
Scout's take
Mineral (pigment / slip / absorbent) — safe in topical cosmetics.
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