silica
AKA “SILICON DIOXIDE, Dioxosilane, Silicic anhydride, Diatomaceous silica, Wessalon, Zorbax sil, Silica, amorphous
Mineral
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Ingredient Facts
silica
AKA: SILICON DIOXIDE, Dioxosilane, Silicic anhydride, Diatomaceous silica, Wessalon, Zorbax sil, Amorphous
Mineral · Abrasive | Absorbent | Anticaking | Bulking | Opacifying | Viscosity Controlling · EWG: 4
Plant-Derived
Mineral
Clean
A lightweight mineral that absorbs excess oil and moisture while smoothing texture. It helps keep formulas from clumping and gives products a soft, even finish.
Solubility Insoluble (NIOSH, 2024)
Formula
O2Si
Mol. Weight
60.08
CAS #
7631-86-9, 112945-52-5, 60676-86-0
Form
Powder
Plant-Derived
Synthetic. Derived from silicon dioxide (SiO₂), a naturally occurring mineral compound found in sand and quartz deposits. Produced through high-temperature processing of silica-rich minerals or synthetic precipitation from sodium silicate solutions.
Function
Abrasive | Absorbent | Anticaking | Bulking | Opacifying | Viscosity Controlling
Benefits
Abrasive
Absorbent
Anticaking
Bulking
Fights Acne
Antioxidant
Anti-Inflammatory
Traditional Use
Used in traditional cosmetics as a mineral powder for oil absorption and mattifying effects. Historically mined and used in various cultures for skincare and body adornment.
Skin Types
all-skin-types
Best For
Target
Oiliness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR