Diatomaceous Earth
AKA “Diatomite, Kieselguhr, Silicon dioxide, Fossilized diatoms
Synthetic
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Ingredient Facts
Diatomaceous earth
AKA: Diatomite, Kieselguhr, Silicon dioxide, Fossilized diatoms
Synthetic · Abrasive | Anticaking | Bulking | Opacifying · EWG: 4
Plant-Derived
Marine
Synthetic
Clean
A natural mineral powder that gently buffs away dead skin and helps absorb excess oil, leaving skin smooth and refined. Also keeps powders from clumping.
Formula
SiO2
Mol. Weight
60.09
CAS #
61790-53-2
Form
Powder
Plant-Derived
Synthetic. Derived from fossilized remains of diatoms, a type of single-celled algae from ancient marine deposits. Mined from sedimentary rock layers, then processed through grinding and purification to create a fine powder.
Function
Abrasive | Anticaking | Bulking | Opacifying
Benefits
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
Target
Oiliness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR