murphyPentaerythritol Rosinate
molecular structure · PubChem
AKA: Pentek, Tetramethylolmethane, Auxinutril, Maxinutril
Synthetic
Humectant
Not Clean
OriginPentaerythritol rosinate is derived from pentaerythritol, a synthetic polyol, combined with rosin, a natural resin byproduct. It is synthesized through esterification of rosin acids with pentaerythritol under heat and catalytic conditions.
Pentaerythritol Rosinate is a cosmetic ingredient. Assessed as safe by the CIR.
Formula
C5H12O4
Mol. Weight
136.15
CAS #
115-77-5
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Draws In Moisture
Conditions Skin
Anti-Aging Benefits
Antioxidant Protection
Draws moisture to skin
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR