Xylene Sulfonic Acid

Xylene Sulfonic Acid 1
molecular structure · PubChem CID 71775949
AKA: GDJZZWYLFXAGFH-UHFFFAOYSA-N
Synthetic
Cleanser
Acid
Not Clean
OriginDerived from xylene, a petrochemical hydrocarbon obtained from crude oil refining and coal tar processing. Synthesized through sulfonation, where sulfuric acid introduces sulfonic acid groups onto xylene molecules.
Xylene Sulfonic Acid is safe as cosmetic ingredient in the present practice of use and concentration as described in this safety assessment, when formulated to be nonirritating
Formula
C8H12O3S
Mol. Weight
188.25
CAS #
25321-41-9
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR