In our reference data, Laureth-4 rated comedogenic 5/5.
Laureth-4 is a polyethylene glycol ether of lauryl alcohol used as a nonionic surfactant, emulsifier, and solubilizer in cosmetic and topical formulations. It helps blend oil and water phases and improve product texture.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation | Uncommon | Possible with higher concentrations or on compromised skin. |
Contact dermatitis / allergic sensitization | Rare | Reported occasionally with PEG-based laureth surfactants. |
Eye irritation | Uncommon | Can cause stinging or redness on direct ocular contact. |
Potential 1,4-dioxane contamination concern | Rare | Trace byproduct of ethoxylation; mitigated by manufacturer purification. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.