Cetyl Esters
AKA “Cetyl wax esters, Spermaceti wax substitute, Cetyl palmitate
Synthetic
Ingredient Facts
Cetyl esters
AKA: Cetyl wax esters, Spermaceti wax substitute, Cetyl palmitate
Synthetic · Emollient · EWG: 1
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
The complex reaction product of blended acids and blended alcohols which simulates the composition of natural spermaceti. It consists primarily of myristyl, cetyl and palmityl esters of myristic and palmitic acids Science: Functions: Skin Conditioning, Skin Conditioning - Emollient Safety Ratings: CIR: Safe as used
Form
Wax
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Locks In Moisture
Traditional Use
Developed in the early 20th century as a mixture of synthetic esters derived from cetyl alcohol and various fatty acids. Used as thickening agents and emollients in modern cosmetics with no traditional historical use.
Skin Types
all-skin-types, gentle
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Concentration Guide
Industry Max
Industry typically uses up to 36.5% in leave-on products (1 products reported). Source: CIR Safety Assessment (CIR Seq 889).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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Verified Feb 2026
Data: CosIng · EWG · CIR