Potassium Xylene Sulfonate
AKA “30346-73-7, Potassium xylenesulfonate, ELTESOL PX40, ELTESOL PX93, RefChem:868189, F8K3A45YA1, DTXSID00891915, POTASSIUM XYLENESULFONATE [INCI], XYLENE SULFONIC ACID, POTASSIUM SALT
Ingredient
Ingredient Facts
Potassium xylene sulfonate
AKA: 30346-73-7, Potassium xylenesulfonate, ELTESOL PX40, ELTESOL PX93, RefChem:868189, F8K3A45YA1, DTXSID00891915, POTASSIUM XYLENESULFONATE [INCI], XYLENE SULFONIC ACID, POTASSIUM SALT
Ingredient · Cleansing · EWG: 4
Synthetic
Cleanser
Not Clean
Potassium Xylene Sulfonate ... safe as cosmetic ingredient in the present practice of use and concentration as described in this safety assessment, when formulated to be nonirritating
Formula
C8H9KO3S
Mol. Weight
224.32
CAS #
30346-73-7
Form
Powder
See origin →
Functions
Surfactant
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing Surfactant
Surfactant Hydrotrope
Lifts away dirt and oil
Improves ingredient solubility
Traditional Use
A synthetic surfactant and solubilizer developed in the 20th century from petroleum-derived xylene. It was engineered specifically for cosmetic formulations to improve ingredient solubility and cleansing performance, with no traditional antecedent.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR