Is Sodium Laureth Sulfate Banned? EU vs US Status, Risks & Where It Hides
TL;DR: Sodium Laureth Sulfate is allowed in the EU but allowed in the US (surfactant).
INCI name SODIUM LAURETH SULFATE. Also called SLES. CAS 9004-82-4.
Other names: SLES, Sodium Lauryl Ether Sulfate, Sodium Polyoxyethylene Lauryl Sulfate
Is Sodium Laureth Sulfate banned in the EU?
| EU status | Allowed |
|---|---|
| US status | Allowed |
| Risk level | low |
| Where it shows up | Pantene Pro-V Classic Clean Shampoo, Dove Deep Moisture Body Wash, Neutrogena T/Gel Therapeutic Shampoo, Herbal Essences Bio:Renew Shampoo |
| CAS number | 9004-82-4 |
What is Sodium Laureth Sulfate?
Sodium laureth sulfate (SLES) is an anionic surfactant derived from ethoxylated lauryl alcohol, widely used as a primary lathering and cleansing agent. It is milder than its close relative SLS because the ethoxylation process reduces skin irritation potential. SLES is one of the most common cosmetic surfactants globally.
Why is Sodium Laureth Sulfate used in personal-care products?
SLES produces rich, stable foam and effectively removes oils, dirt, and residue from hair and skin, making it the backbone of shampoos, body washes, and facial cleansers.
Is Sodium Laureth Sulfate dangerous? Documented risks
SLES is broadly considered safe at cosmetic use levels (typically 1–20%). The Cosmetic Ingredient Review (CIR) Expert Panel concluded it is safe as used in rinse-off products. A known manufacturing byproduct, 1,4-dioxane, can appear at trace levels; reputable manufacturers use vacuum-stripping to minimize it below regulatory limits. SLES does not penetrate intact skin significantly and is not a carcinogen or systemic toxin. Some individuals with very sensitive or eczema-prone skin may experience mild irritation at higher concentrations; this resolves upon rinsing. It is not a hormone disruptor and does not accumulate in the body.
Products that may contain Sodium Laureth Sulfate
- TRESemmé Botanique Coconut Nourish ShampooTRESemmé
- Suave Professionals Smoothing ShampooSuave
- Pantene Pro-V Classic Clean ShampooPantene
- Pantene Pro-V Repair & Protect ShampooPantene
- Head & Shoulders Classic Clean ShampooHead & Shoulders
- Head & Shoulders Itchy Scalp Care ShampooHead & Shoulders
- Herbal Essences Bio:Renew Argan Oil ShampooHerbal Essences
- Herbal Essences Hello Hydration Moisturizing ShampooHerbal Essences
How to avoid Sodium Laureth Sulfate: safer alternatives
Gentler alternatives include sodium cocoyl isethionate, disodium laureth sulfosuccinate, or coco-glucoside, all of which produce good foam with lower irritation potential for sensitive skin.
Frequently asked questions about Sodium Laureth Sulfate
Is SLES safe to use daily?
Yes. At typical shampoo and body wash concentrations (4–15%), SLES is safe for daily use. People with very sensitive or eczema-prone skin may prefer sulfate-free formulas, but this is a preference rather than a safety requirement.
Does SLES cause cancer?
No. SLES is not classified as a carcinogen by any major regulatory body. The 1,4-dioxane contamination concern is addressed by manufacturers through vacuum-stripping; final product levels are well below limits set by the FDA and EU.
Is SLES banned in the EU?
No. SLES is fully permitted in EU cosmetics under Regulation (EC) 1223/2009 with no concentration restriction in rinse-off products.
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Sources
- Final Report on the Safety Assessment of Sodium Laureth Sulfate — Cosmetic Ingredient Review
- SLES entry – CosIng Database — European Commission
- EWG Skin Deep: Sodium Laureth Sulfate — Environmental Working Group
Our scores are never influenced by brands. Last updated 6/11/2026.