Erythritol
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Ingredient Facts
Erythritol
Synthetic · HUMECTANT
Synthetic
Humectant
Skin Conditioner
Not Clean
Butane-1,2,3,4-tetrol
CAS #
7541-59-5; 149-32-6
See origin →
Functions
HUMECTANT
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
MOISTURISING
SKIN CONDITIONING
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Final Report on the Safety Assessment of Pentaerythritol Rosinate (Amended report IJT 17(S4) 1998)
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Allergic contact cheilitis from pentaerythritol rosinate in a lipstick.
Ichihashi K, Soga F, Katoh N, Kishimoto S
Contact dermatitis, 2003
Sweeteners: erythritol, xylitol and cardiovascular risk-friend or foe?
Wölnerhanssen BK, Meyer-Gerspach AC, Arduini A, D'Alessandro A, Gronda E et al.
Cardiovascular research, 2025
Verified Jun 2026
Data: CosIng