murphyPotassium Xylene Sulfonate
AKA: 30346-73-7, Potassium xylenesulfonate, ELTESOL PX40, ELTESOL PX93, POTASSIUM XYLENESULFONATE [INCI], XYLENE SULFONIC ACID, POTASSIUM SALT
Synthetic
Cleanser
Not Clean
OriginProduced from xylene, a petroleum-derived aromatic hydrocarbon, combined with potassium sulfonate compounds. Synthesized through sulfonation of xylene followed by neutralization with potassium hydroxide or potassium carbonate.
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
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Skin Irritant (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 496)
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR