murphyCorylus avellana (Hazel) seed oil
AKA: Common hazel, Hazel Seed Oil
Plant-Derived
Clean
OriginNative to Europe, Turkey. Derived from hazel tree seeds (Corylus avellana) of the Betulaceae family, primarily grown in Europe and Turkey. Cold-pressed or extracted via solvent methods from the seeds to obtain the oil.
Corylus Avellana (Hazel) Seed Oil is a cosmetic ingredient used as masking. Rated low hazard by EWG. Assessed as safe by the CIR.
Family
Betulaceae (Birch family)
Plant Part
Seed
Lifeform
Shrub or tree
Climate
Temperate
CAS #
84012-21-5 / 185630-72-2
Form
Oil
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Hazelnut)
Functions
Masking
Antioxidant
Anti-Inflammatory
Wound Healing
Provides scent
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 a Sensitizer
1 study / 1 not sensitizing (CIR 577)
Mixed Skin Irritation Results
2 studies / 1 mixed / 1 not irritating / reactions slight / plus 1 case report (CIR 577)
Concentration Guide
Leave-on0.005–98%
Rinse-off0.005–5%
0%50%100%
CIR reported use · 2010 survey
Regulatory Agencies
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR