Calcium sodium borosilicate is a glassy, mineral powder made from calcium, sodium, boron, and silica. In color cosmetics and nail products, it gives a radiant shimmer and soft-focus diffusion for sparkle and dimension.
A glass-based pigment that adds shimmer and blurs texture.
Category
Color
Type
Pigment
Ratings
Overall Rating
Great
Comedogenic Risk
None
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Calcium Sodium Borosilicate a Good Ingredient?
This inert, photostable glass pigment reliably delivers shimmer and soft-focus effects with very low irritation potential and excellent stability in formulas, which is what earns it a Great rating.
What it does
Skin Benefits
Delivers a radiant sheen while subtly blurring uneven texture for a smoother-looking complexion, and amplifies brightness for a more striking glow.
Where you'll find it
Uses in Skincare & Cosmetics
Common in pressed highlighters, eye shadows, nail polishes, and lip topcoats to create twinkling effects, and also used in loose pigments and finishing powders for a veil of radiance.
Before you use it
Safety
Generally well tolerated and considered inert; irritation is uncommon. Avoid getting larger particles into the eye and minimize inhalation of loose powders.