Potassium Lauryl Phosphate
molecular structure · PubChem
AKA: Potassium salt, EMALOX LPK, Dipotassium dodecyl phosphate, 39322-78-6, 19045-77-3
Synthetic
Cleanser
Plant Oil
Clean
Potassium salt of lauryl phosphate
Effective at 4.42%
Formula
C12H25K2O4P
Mol. Weight
342.49
CAS #
39322-78-6
Form
Powder
State
Liquid; Water or Solvent Wet Solid
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
Synthetic surfactant developed in the 20th century as part of the evolution toward gentler cleansing agents in cosmetics and personal care products.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.14%
8.7%
0%12%
Reported use
CIR reported use: 0.14-2 | 0.25-8.7
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR