Diethyl Ether
Diethyl ether is a highly volatile, colorless, and flammable liquid. Historically used as an anesthetic, it is now rarely found in cosmetic products due to its flammability and potential for irritation. Its primary function would be as a solvent.
NoneSolventVeganEvidence: High
RiskSerious 3.5 / 4
Irritation i2.8 / 4
Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.
Systemic exposure i2.5 / 4
Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.
Sensitization i1 / 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.
Things to watch
- highly flammable
- can cause skin irritation
- can cause respiratory irritation
- systemic toxicity with inhalation
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