murphyTriacontanyl PVP
molecular structure · PubChem
AKA: C30 PVP, Triacontanyl Polyvinylpyrrolidone
Synthetic
Humectant
Occlusive
Clean
OriginTriacontanyl PVP is synthesized from polyvinylpyrrolidone (PVP) combined with triacontanol, a long-chain aliphatic alcohol. The compound is created through chemical conjugation or polymer modification to attach the triacontanol moiety to the PVP backbone.
2-Pyrrolidinone, 1-ethenyl-, polymer with 1-triacontene
CAS #
136445-69-7
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Viscosity Controlling
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
Human test found no phototoxicity in the CIR safety assessment (CIR 764)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 764)
Skin Irritant in Testing
1 study / 1 irritating / reactions slight (CIR 764)
Eye Irritant in Testing
1 study / 1 irritating / reactions slight (CIR 764)
Concentration Guide
Leave-on0.66–7.3%
Rinse-offNot reported
0%50%100%
CIR reported use · 2017 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR