Zinc Silicate
AKA “Silicic acid (H4SiO4), zinc salt (1:2), TSZ9EY203A, silicic acid dizinc, RefChem:885591, DTXCID6015976, 237-057-8, 13597-65-4, DTXSID8035976, Silicon zinc oxide (SiZn2O4)
Ingredient
Ingredient Facts
Zinc silicate
AKA: Silicic acid (H4SiO4), Zinc salt (1:2), TSZ9EY203A, Silicic acid dizinc, RefChem:885591, DTXCID6015976, 237-057-8, 13597-65-4, DTXSID8035976, Silicon zinc oxide (SiZn2O4)
Ingredient · Deodorant · EWG: 4
Synthetic
Not Clean
The Expert Panel for Cosmetic Ingredient Safety concluded that the following 24 silicate ingredients are safe in cosmetics in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating, with the exception that the available data are insufficient to make a determination of safety for the use of naturally-sourced (i.e., mined) silicate ingredients in products that may be incidentally inhaled: Zinc Silicate.
Formula
H4O4SiZn2
Mol. Weight
226.90
CAS #
13597-65-4
Form
Powder
State
Dry Powder
See origin →
Functions
Deodorant
Controls Odor
Neutralizes odor
Traditional Use
A mineral compound developed for use in cosmetics, particularly in powder formulations. Functions as an absorbent and opacifying agent in modern skincare and color cosmetics.
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