Potassium Taurate

AKA: Reparin, Reparine, Taurine, Monopotassium Salt, Potassium 2-aminoethylsulfonate, Potassium 2-aminoethanesulfonate, Ethanesulfonic acid, Monopotassium salt
Synthetic
Cleanser
Amino Acid
Not Clean
2-Aminoethanesulfonic acid, potassium salt
Formula
C2H6KNO3S
Mol. Weight
163.24
CAS #
22890-34-2
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.
Cleansing Surfactant
Removes Impurities
Traditional Use
Taurine, an amino acid, was first isolated in 1827 from ox bile. Potassium taurate is a modern formulation developed in the 20th century for use as a skin conditioning and cleansing agent in cosmetics, capitalizing on taurine's hydrating properties.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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