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Corylus avellana leaf extract

CAS 84012-21-5

Also registered as 1 other CAS number

185630-72-2

Concern score

Not assessed — no hazard data yet.

Corylus avellana leaf extract in plain language

What it is

On cosmetic ingredient lists it appears as “Corylus avellana bark extract”.

Also known as Corylus avellana bark extract · Corylus avellana bud extract · Corylus avellana flower extract · Corylus avellana leaf water · Corylus avellana seed extract · Corylus avellana seed oil

Show all 22 names

Corylus avellana seed powder · Corylus avellana shell powder · Corylus avellana nut shell · Corylus avellana (hazelnut) shell powder · Common filbert nut shell · Common hazel nut shell · European hazel nut shell · European hazelnut nut shell · Corylus avellana (hazel) bud extract · Corylus avellana (hazel) flower extract · Corylus avellana (hazel) leaf extract · Corylus avellana (hazel) leaf water · Corylus avellana (hazel) seed extract · Corylus avellana (hazel) seed oil · Corylus avellana (hazel) seed powder · Corylus avellana (hazel) shell powder

What it does

Used in cosmetics as a skin-conditioning agent, an abrasive and a tonic. Corylus Avellana Bark Extract is the extract of the bark of Corylus avellana.

  • Skin conditioning
  • Abrasive
  • Tonic
  • Fragrance
  • Humectant
  • Conditioner
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Corylus avellana leaf extract appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Industrial
  • EUCosIngActive9 entries
    • Corylus Avellana Bark Extract is the extract of the bark of Corylus avellana.Source →
    • Corylus Avellana Bud Extract is an extract of the buds of the Hazelnut, Corylus avellana L., BetulaceaeSource →
    • Corylus Avellana Flower Extract is an extract of the flowers of the Hazelnut, Corylus avellana L., BetulaceaeSource →
    • Corylus Avellana Leaf Extract is an extract of the leaves of the Hazelnut, Corylus avellana L., BetulaceaeSource →
    • Corylus Avellana Leaf Water is an aqueous solution of the odoriferous principles of the leaves of the Hazelnut, Corylus avellana L., BetulaceaeSource →
    • Corylus Avellana Seed Extract is an extract of the nuts of the Hazelnut, Corylus avellana L., BetulaceaeSource →
    • Corylus Avellana Seed Oil is the oil expressed from the nuts of the Hazelnut, Corylus avellana L., BetulaceaeSource →
    • Corylus Avellana Seed Powder is the powder obtained from the seeds of the Hazel, Corylus avellana L., BetulaceaeSource →
    • Corylus Avellana Shell Powder is the powder obtained from the crushed shells of the Hazel, Corylus avellana L., BetulaceaeSource →
  • USEPAcommercial use observed2 entries
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Abrasive, Deodorizer, Humectant.Source →
    • EPA CPDat observed this chemical in 2 composition records across product categories including Personal care.Source →
  • USFDAlisted in openFDA substance2 entries
    • openFDA substance registry classifies this ingredient as concept.Source →
    • openFDA substance registry classifies this ingredient as structurallydiverse.Source →

Expert safety opinions

No expert opinion on file for Corylus avellana leaf extract. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Corylus avellana leaf extract yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated 2019-12-20

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →

Allergen profile

Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.

  • Tree nutsContains · Oral (ingested)

    Source: chemindex_name_match

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Corylus avellana leaf extract in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

Skin conditioningAbrasiveTonicFragranceHumectantConditioner
See products using Corylus avellana leaf extract →

Catalog

Found in these products

Their ingredient lists include Corylus avellana leaf extract; each product's own rating depends on its whole formula, so it is shown on the product page, not here.