murphyDextrin Myristate
Synthetic
Cleanser
Emulsifier
Clean
OriginDerived from plant-based starches, typically corn, potato, or tapioca sources through agricultural processing. Created by esterifying dextrin with myristic acid through chemical modification and synthesis.
Tetradecanoic acid, dextrin ester
CAS #
93792-77-9
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Anticaking
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Prevents Clumping
Cleansing Surfactant
Emulsifier
Reduces Inflammation
Fights Bacteria
Wound Healing
Lifts away dirt and oil
Mixes oil and water
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
3 studies / 3 not irritating (CIR 680)
Not a Sensitizer
3 studies / 3 not sensitizing (CIR 680)
Not an Eye Irritant
1 study / 1 not irritating (CIR 680)
Concentration Guide
Leave-on0.094–19%
Rinse-off0.05–7%
0%50%100%
CIR reported use · 2013 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR