Gamma Undecalactone

Synthetic
Fragrance
Skin Conditioner
Not Clean
Undecan-4-olide; peach aldehyde
CAS #
104-67-6
Functions
PERFUMING
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
SKIN CONDITIONING
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Verified Jun 2026
Data: CosIng