Zinc Borosilicate
AKA “37341-47-2, DTXSID20723981, Zinc dihydrogen orthosilicate--boric acid (1/1/1), RefChem:388555, DTXCID60674726, SCHEMBL3749095
Ingredient
Ingredient Facts
Zinc borosilicate
AKA: 37341-47-2, DTXSID20723981, Zinc dihydrogen orthosilicate--boric acid (1/1/1), RefChem:388555, DTXCID60674726, SCHEMBL3749095
Ingredient · Bulking · EWG: 4
Synthetic
Not Clean
Glass, borosilicate, an amorphous substance of imprecise composition formed by the fusion of silica in the presence of significant levels of boron oxide, sodium oxide and zinc oxide
Formula
BH5O7SiZn
Mol. Weight
221.30
CAS #
37341-47-2
Form
Powder
See origin →
Functions
Bulking
Adds Body & Volume
Fights Bacteria
Adds volume
Traditional Use
A synthetic mineral compound developed for cosmetics to provide opacity, smoothness, and mineral-based coverage in makeup applications, created as an alternative to traditional mineral pigments.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR