Dicetyl Phosphate

AKA: 2197-63-9, Dihexadecyl phosphate, Dicetylphosphate, Dicetyl hydrogen phosphate, Bis(hexadecyl) phosphate, Di-n-hexadecyl phosphate, 1-Hexadecanol, Hydrogen phosphate, CHEBI:60424
Synthetic
Cleanser
Emulsifier
Clean
Dihexadecyl hydrogen phosphate
Formula
C32H67O4P
Mol. Weight
546.80
CAS #
2197-63-9
Form
Powder
Functions
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.
Cleansing Surfactant
Emulsifier
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Removes Impurities
Mixes Oil & Water
Traditional Use
Synthetic conditioning and emulsifying agent developed for cosmetic formulations. Used as a humectant and skin conditioning ingredient in modern skincare products.
EWG
1
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
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR