Diatomaceous Earth
AKA “Diatomite, Kieselguhr, Silicon dioxide, Fossilized diatoms”
Ingredient
Ingredient Facts
Diatomaceous earth
AKA: Diatomite, Kieselguhr, Silicon dioxide, Fossilized diatoms
Ingredient · Abrasive · EWG: 2
Synthetic
Marine
Clean
Diatomaceous Earth is a mineral material consisting chiefly of the siliceous frustules and fragments of various species of diatoms
Formula
SiO2
Mol. Weight
60.09
CAS #
61790-53-2
Form
Powder
See origin →
Functions
Abrasive
Anticaking
Bulking
Opacifying
Physical Exfoliant
Prevents Clumping
Adds Body & Volume
Adds Opacity
Antioxidant Protection
Anti-Aging Benefits
Reduces Inflammation
Gently polishes surface
Adds volume
Creates creamy opacity
Traditional Use
Fossilized remains of diatoms mined for millennia; used historically in Asia for gentle abrasion and oil absorption. Modern cosmetic use maintains its traditional application as a natural absorbent and mild exfoliant.
Skin Types
●all-skin-types
Best For
Oiliness
Pregnancy & Breastfeeding Safe
Yes
Skin Dew Coconut Water Cream
One Love Organics
Mini Skin Dew Coconut Water Cream
One Love Organics
Forest Fix Deodorant
Ursa Major
Supernatural Radiance Serum Broad Spectrum SPF 30 Sunscreen
RMS Beauty
SunCoverup Super Tint Broad Spectrum SPF 50 Sunscreen
RMS Beauty
Roll-On Deodorant – Icelandic Moss Extract, Sage Complex
Credo Beauty
SunCoverup Super Tint SPF 50
RMS Beauty
Final Report: Safety Assessment of Diatomaceous Earth as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Diatomaceous Earth
European Commission
EU Cosmetic Ingredient Database (CosIng)
Developing a stable aqueous enteric coating formulation with hydroxypropyl methylcellulose acetate succinate (HPMCAS-MF) and colloidal silicon dioxide
Deshpande TM, Quadir A, Obara S, Ibrahim A, Hoag SW
International journal of pharmaceutics, 2018
Diatomaceous Earth
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR