murphyZinc Borosilicate
AKA: 37341-47-2, Zinc dihydrogen orthosilicate--boric acid (1/1/1)
Synthetic
Not Clean
OriginProduced by combining zinc oxide, boron oxide, and silica through high-temperature fusion or sol-gel synthesis methods. The resulting compound is then milled into fine particles for use in cosmetic formulations.
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
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Bulking
Adds Body & Volume
Fights Bacteria
Adds volume
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 610)
Not a Sensitizer (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 610)
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR