Laureth-21
Laureth-21 is a surfactant and cleansing ingredient. It’s in 29 products on Poliage, most often mascara, serum and foundation. Avoid lists on Poliage that include it: none.
Updated October 21, 2026
In plain English
Laureth-21: used to wash skin or hair.
What it does
Contains Laureth-21: cleansing
Function listed in CosIng
Contains Laureth-21: surfactant
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 56874, accessed October 22, 2026.
Products that contain Laureth-21
Winky Lux
So Extra Mascara
Mascara · Lists drying alcohol, silicones
Tarte
tartelette tubing mascara
Mascara · Lists drying alcohol
Hourglass
Unlocked Instant Extensions Mascara
Mascara · Lists drying alcohol, silicones
Victoria Beckham Beauty
Vast Lash Mascara
Mascara · None of Poliage’s flag groups listed
Flower Beauty
Warrior Princess Mascara
Mascara · None of Poliage’s flag groups listed
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