Hazel (Corylus Avellana) Nut Extract
AKA “Corylus Avellana Nut Extract
Extract
Ingredient Facts
Hazel (Corylus Avellana) nut extract
AKA: Corylus Avellana Nut Extract
Extract · Antioxidant · EWG: 4
Plant-Derived
Antioxidant
Astringent
Skin Conditioner
Extract
Clean
Science: Origin: Botanic/Natural | Process: Solvent Extraction ⚠ Allergen Alert (Tree Nut): Derived from a common allergen source. May cause reactions in sensitive individuals. Safety Ratings: CIR: Safe as used
Family
Betulaceae (Birch family)
Plant Part
Nut
CAS #
84012-21-5
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Astringent
Tightens and contracts skin tissue, temporarily shrinking pores and reducing oiliness. That "clean, tight" feeling after toner.
Conditions Skin
Reduces Inflammation
Locks In Moisture
Traditional Use
Hazelnuts have been used since ancient times in Mediterranean and European traditions as a nutritive food and skin conditioning agent. The nuts were traditionally valued for their oil content and mild astringent properties in folk skincare preparations.
Skin Types
all-skin-types
Best For
Oiliness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Hazelnut)
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Potential Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Final Report on the Safety Assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract, Corylus Americana (Hazel) Seed Extract, Corylus R
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Corylus Avellana (Hazel) Seed Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
Corylus Avellana (Hazelnut) Leaf Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Corylus Avellana (Hazelnut) Seed Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Corylus Avellana (Hazel) Seed Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Final report on the safety assessment of Corylus Avellana (Hazel) Seed Oil, Corylus Americana (Hazel) Seed Oil, Corylus Avellana (Hazel) Seed Extract,
Madhaven N
International journal of toxicology, 2001
Verified Feb 2026
Data: CosIng · EWG · CIR