Diatomaceous Earth

Diatomaceous earth is a naturally occurring, silica-rich mineral powder from fossilized diatoms used in cosmetics. Skin and hair care rely on it to absorb excess oil and provide gentle physical polishing for a matte look and refined texture.
Like this ingredient?

Ingredient Snapshot

Overview
A gentle, fossil-based powder used to physically exfoliate skin.
Category
Exfoliating, Oil Control, Tone/Texture
Type
Mineral

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Minimizes surface shine and buffs away flaky buildup for a smoother feel. May make pores appear less congested by lifting debris from the surface.

Uses In Skincare & Cosmetics

Featured in masks, powder cleansers, exfoliating scrubs, and dry shampoos to curb surface glare and add a fine polishing texture.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Mechanical exfoliation can cause redness or micro‑irritation; use gently and avoid compromised skin. Avoid inhaling the fine powder during application. Patch test if you’re prone to irritation.

Is Diatomaceous Earth a Good Ingredient?

Fair: Offers basic oil absorption and mild polishing, but effects are mainly cosmetic with limited evidence for lasting skin changes. Particles can be abrasive and may trigger irritation, especially on sensitive or over‑exfoliated skin.

Products with Diatomaceous Earth

Related Ingredients