Potassium Cumenesulfonate

AKA: MYGBBCKCTXSGOB-UHFFFAOYSA-M
Synthetic
Cleanser
Not Clean
Potassium 4-(2-propyl)benzene sulfonate
Formula
C9H11KO3S
Mol. Weight
238.35
CAS #
28085-69-0
Form
Liquid
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hydrotrope
Cleansing Surfactant
Surfactant Hydrotrope
Lifts away dirt and oil
Improves ingredient solubility
Traditional Use
Synthetic chemical developed in the 20th century as a fragrance solubilizer and preservative booster in cosmetics. Created to improve the stability and performance of fragranced cosmetic formulations.
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
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing
🛡️Safety-assessed1 review
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR