Diatomaceous Earth
Diatomaceous Earth is a naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white powder. It consists of fossilized remains of diatoms, a type of hard-shelled algae. In cosmetics, it is used as a gentle physical exfoliant, absorbent, or texturizer.
NoneMineral exfoliantVeganEvidence: Medium
BenefitMinimal 1 / 4
Texture i1 / 4
Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.
RiskLow 1 / 4
Irritation i1 / 4
Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.
Sensitization i0.5 / 4
Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
- gentle exfoliation
- absorbs excess oil
- improves product texture
Things to watch
- can be abrasive if not finely milled or used with excessive pressure
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Frequently asked questions
- Is diatomaceous earth safe for skin?
- Cosmetic-grade diatomaceous earth is generally considered safe for topical use, particularly when finely milled and used as a gentle exfoliant or absorbent.
- What is the difference between food-grade and cosmetic-grade diatomaceous earth?
- Food-grade diatomaceous earth is purified and safe for consumption, while cosmetic-grade is processed for topical application and may have different particle sizes and purity standards.
Spotty Labs
