Spotty Labs logoSpotty Labs
HomeIngredients › Laureth-9

Laureth-9

Laureth-9 is a synthetic polymer derived from lauryl alcohol and ethylene oxide, functioning as an emulsifier and surfactant. It helps to blend immiscible ingredients like oil and water, contributing to product stability and texture. It is also known for its local anesthetic properties in medical applications.

NoneSurfactantEvidence: Medium
BenefitNone 0 / 4
RiskModerate 1.5 / 4
Irritation i1.5 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

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.

See how this matches your skin

Find out exactly what you put onto your skin. Scan any product before you buy. Free and independent — no brand is paying us. Available on both on Android and Apple

QR code linking to the SpottyLabs app on Google Play
QR code linking to the SpottyLabs app on the App Store

Products with Laureth-9

Curl Manifesto Bain Hydratation Douceur
Kérastase
Curl Manifesto Bain Hydratation Douceur
3.6/ 57/22/11

Browse all products →