Glyceryl Hydrogenated Rosinate

AKA: Rosin Ester
Synthetic
Occlusive
Not Clean
OriginDerived from rosin, a natural resinous byproduct of pine tree processing, typically through synthetic modification. Produced by hydrogenating and esterifying rosin with glycerol through chemical synthesis.
Resin acids and Rosin acids, hydrogenated, esters with glycerol
CAS #
65997-13-9
Form
Wax
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Colophonium (Rosin)
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Moisturizing
Strengthens Barrier
Anti-Inflammatory
Creates protective layer
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed4 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
CIR Panel statement found no phototoxicity in the CIR safety assessment (CIR 344)
Not a Skin Irritant
2 studies / 2 not irritating (CIR 706)
Not a Sensitizer
3 studies / 3 not sensitizing / plus 1 case report (CIR 706)
Concentration Guide
Leave-on3–10%
Rinse-off65–76.8%
0%50%100%
CIR reported use · 2014 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR