Cited skincare — every flag names its source, no upsell.
La

Laureth-23

Laureth-23

A water-loving emulsifier that blends oils into water and helps cleansers rinse clean.

What it does

It’s lauryl alcohol joined to a long PEG chain, which makes it dissolve easily in water.

The evidence, graded

expert consensusUS safety reviewers (2012) assessed the alkyl PEG ethers, which products use mostly to help oil and water mix, and some to condition skin or steady a mixture. Their index lists laureth-23, trideceth-6, isoceteth-20 and steareth-2 under that report. Where data were missing for one ingredient, they drew on the others. They judged them safe as used, in products made not to irritate.Fiume 2012 · International Journal of Toxicology ↗

Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.

Browse all 809 ingredients — grouped by what they do, each with whatever evidence we can cite.

This page is public so a shared ingredient card always has its sources behind it — and so you can check them without an account.
Want more like this?
Every evidence-based flag cites its source, Drop tells you when your routine is complete, and it helps you simplify — instead of selling you more. The app launches on iOS and Android in October 2026. Rate my routine works today at /rate — no sign-in.