Zinc Silicate
AKA: Silicic acid (H4SiO4), Zinc salt (1:2), Silicic acid dizinc, Silicon zinc oxide (SiZn2O4)
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
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
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR