Calcium Titanium Borosilicate
INCI: CALCIUM TITANIUM BOROSILICATE
Reviewed by Rosie · Last updated 14 Aug 2026
Also known as: Calcium Titanium Borosilicate
A glass-derived mineral that gently buffs away dead skin cells
Best For Skin Types
All, Oily, Combination
Addresses
Usage Frequency
2-3 times per week
What Is Calcium Titanium Borosilicate?
Calcium titanium borosilicate is a finely milled mineral compound derived from borosilicate glass. It functions primarily as a physical exfoliant and bulking agent in skincare formulations. The ingredient consists of silica-based particles with calcium and titanium components, creating a smooth, uniform texture that can be incorporated into cleansers, scrubs, and polishing products.
Unlike crystalline exfoliants, borosilicate glass particles have smooth, rounded edges when processed for cosmetic use, which may make them gentler on the skin surface than some traditional abrasives.
Benefits for Your Skin
How It Works
Calcium titanium borosilicate works through physical exfoliation. When applied to damp skin with gentle circular motions, the smooth particles buff away the outermost layer of dead skin cells and surface impurities. This mechanical action encourages natural skin turnover without relying on chemical dissolving agents.
The titanium and calcium components may also provide mild absorbent properties, helping to lift oil and impurities from the skin surface during cleansing.
Clinical Evidence & References
Limited clinical evidence specifically addresses calcium titanium borosilicate alone. However, regulatory bodies including the Cosmetic Ingredient Review Expert Panel have assessed borosilicate glass ingredients as a group and concluded they are safe for use in cosmetics at typical concentrations. The smooth particle structure and insoluble nature mean the ingredient remains on the skin surface rather than absorbing into deeper layers.
Research on borosilicate glasses supports their use as non-toxic bulking and exfoliating agents, though comparative studies with other physical exfoliants remain sparse. Its safety profile appears robust, but individual skin tolerance to physical exfoliants can vary.
Published Research
How to Use
Use products containing calcium titanium borosilicate 2–3 times per week, depending on skin sensitivity. Apply to damp skin with light, circular motions for 30–60 seconds, then rinse thoroughly. Avoid excessive pressure or prolonged use, which may irritate the skin. Follow with a hydrating toner or moisturiser to support the skin barrier after exfoliation. Those new to physical exfoliation should start with once-weekly application to assess tolerance.
Safety & Precautions
Frequently Asked Questions
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