Borosilicate
What Borosilicate is & what it does
Borosilicate (often calcium sodium borosilicate or similar) is a glass-like mineral material used in cosmetics chiefly as a substrate for effect pigments. It functions as a carrier that creates pearlescent and shimmering optical effects, and contributes a smooth, slippery feel. It is common in highlighters, foundations, and other color cosmetics. It is not a UV filter and has no listed concerns.
What is Borosilicate?
Borosilicate is a glass-like mineral material, often used as calcium sodium borosilicate. In cosmetics it mainly serves as a substrate for effect pigments.
What does Borosilicate do in cosmetics?
It carries pearlescent and shimmering optical effects and contributes a smooth, slippery feel, which is why it is common in highlighters and foundations. It is not a UV filter.
Is Borosilicate safe?
It is generally considered safe and inert as used in cosmetics, with no flagged concerns in this catalog.
Sunscreens with Borosilicate
We rate 2 sunscreens that contain it:
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Orbis UV Cut Sunscreen On Face Light SPF 34 Pa+++
83/100
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Oars and Alps Everyday Anti-Aging Face Moisturizer With SPF 37
73/100