Potassium Taurate
AKA “Reparin, Reparine, Taurine, Monopotassium Salt, Potassium 2-aminoethylsulfonate, Potassium 2-aminoethanesulfonate, Ethanesulfonic acid, monopotassium salt
Synthetic
Ingredient Facts
Potassium taurate
AKA: Reparin, Reparine, Taurine, Monopotassium Salt, Potassium 2-aminoethylsulfonate, Potassium 2-aminoethanesulfonate, Ethanesulfonic acid, Monopotassium salt
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Amino Acid
Synthetic
Clean
A gentle cleansing agent that removes dirt and oil while keeping skin balanced. Derived from natural amino acids, it creates a soft lather without harsh stripping.
Formula
C2H6KNO3S
Mol. Weight
163.24
CAS #
22890-34-2
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR