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 22, 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
SHEGLAM
Big Time Eyes Volumizing Mascara
Mascara · None of Poliage’s flag groups listed
Revlon
ColorStay Lash Serum + Liner Liquid Eyeliner
Serum · Lists sulfates
Winky Lux
Detail Oriented Mascara
Mascara · Lists silicones
Palladio
DOUBLE AGENT MASCARA
Mascara · None of Poliage’s flag groups listed
MAC
Extended Play Gigablack Lash Mascara
Mascara · Lists silicones
Laura Mercier
Flawless Lumière Foundation
Foundation · Lists silicones
Laura Geller
Free Mini Kajal Mascara
Mascara · Lists fragrance allergens, exfoliating acid, salicylic acid
Victoria Beckham Beauty
Future Lash Mascara
Mascara · None of Poliage’s flag groups listed
KVD Beauty
Go Big or Go Home Volumizing Mascara
Mascara · None of Poliage’s flag groups listed
Clinique
High Impact High-Fi Full Volume Mascara
Mascara · Lists coconut derivatives
Wonderskin
Infinite Rizz Mascara
Mascara · Lists drying alcohol, silicones
Wonderskin
Infinite Rizz Mascara - Black
Mascara · Lists drying alcohol, silicones
SHEGLAM
Lash Besties 2-In-1 Mascara
Mascara · None of Poliage’s flag groups listed
Jane Iredale
Lash Fixation Length & Definition Tubing Mascara
Mascara · Lists drying alcohol
Buxom
Lash Volumizing Mascara
Mascara · None of Poliage’s flag groups listed
Buxom
Lash Xtension Lift Mascara
Mascara · Lists drying alcohol
Thrive Causemetics
Liquid Lash Extensions Tubing Mascara Mini
Mascara · Lists drying alcohol, silicones
Laura Geller
Long-n-Lifted Tubing Mascara
Mascara · Lists silicones
MAC
M·A·CStack Volumizing Mascara
Mascara · Lists silicones
Cosmia
Mascara hypoallergénique Noir 01
None of Poliage’s flag groups listed
Wander
Mile High Club Length and Define Mascara
Mascara · Lists silicones, coconut derivatives
NARS
Notorious Mascara
Mascara · None of Poliage’s flag groups listed
Dermalogica
Powerbright Dark Spot Serum
Serum · Lists fragrance allergens, essential oils, coconut derivatives
Medicube
Salmon PDRN Pink Collagen Jelly Gel Mask
Mask · Lists fragrance
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