Sodium Laureth Sulfate
Use With Caution
Surfactant
Also Known As
SLES, Sodium lauryl ether sulfate, Sodium laureth sulfate
CAS Number
9004-82-4
What It Does
Cleansing, foaming, emulsifying
Why Oh Daisey Rates It This Way
The primary concern is irritation. Because it is ethoxylated, manufacturing impurities such as 1,4-dioxane may be a quality-control concern, although proper purification can reduce residual levels.
Evidence Level
Strong