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Corylus avellana (Hazel) seed oil
AKA “Hazel Seed Oil”
Oil
Ingredient Facts
Corylus avellana (Hazel) seed oil
AKA: Hazel Seed Oil
Oil · Masking · EWG: 1
Plant-Derived
Clean
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
See origin →
Functions
Masking
Antioxidant
Anti-Inflammatory
Wound Healing
Provides scent
Traditional Use
Used in European folk medicine and skincare for centuries, particularly in Mediterranean regions. The oil was valued for its emollient properties and skin-conditioning benefits.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Hazelnut)
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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
→
Final Report: Safety Assessment of <I>Hamamelis virginiana</I> (Witch Hazel)-Derived Ingredients as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Corylus Americana (Hazel) Seed Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Corylus Americana (Hazelnut) Leaf Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Corylus Americana (Hazelnut) Seed Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
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 Rostrata (Hazelnut) Leaf Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Corylus Rostrata (Hazelnut) Seed Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hamamelis Virginiana (Witch Hazel) Bark/Leaf Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hamamelis Virginiana (Witch Hazel) Bark/Leaf/Twig Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hamamelis Virginiana (Witch Hazel) Bark/Twig Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hamamelis Virginiana (Witch Hazel) Flower Water
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hamamelis Virginiana (Witch Hazel) Leaf Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hamamelis Virginiana (Witch Hazel) Leaf Water
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hazel Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hazelnut Seed Oil Polyglyceryl-6 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrogenated Hazelnut Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrolyzed Hazelnut Protein
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyglyceryl-4 Hazelnutseedate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Corylus Avellana (Hazel) Seed Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Hamamelis Virginiana (Witch Hazel) Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Hamamelis Virginiana (Witch Hazel) Leaf Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Hamamelis Virginiana Witch Hazel Water
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Hydrolyzed Hazelnut Protein
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
→
Unveiling the Ability of Witch Hazel (Hamamelis virginiana L.) Bark Extract to Impair Keratinocyte Inflammatory Cascade Typical of Atopic Eczema.
Piazza S, Martinelli G, Magnavacca A, Fumagalli M, Pozzoli C et al.
International journal of molecular sciences, 2022
→
Highly galloylated tannin fractions from witch hazel (Hamamelis virginiana) bark: electron transfer capacity, in vitro antioxidant activity, and effec
Touriño S, Lizárraga D, Carreras A, Lorenzo S, Ugartondo V et al.
Chemical research in toxicology, 2008
→
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR