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Macadamia ternifolia seed oil

CAS 128497-20-1

Also registered as 1 other CAS number

129811-19-4

Concern score

Not assessed — no hazard data yet.

Macadamia ternifolia seed oil in plain language

What it is

On cosmetic ingredient lists it appears as “Hydrogenated macadamia seed oil”.

Also known as Hydrogenated macadamia seed oil · Macadamia integrifolia shell powder · Macadamia ternifolia seed extract · Macadamia ternifolia shell powder · Macadamia oil · Macadamia nut oil

Show all 12 names

Macadamia (macadamia ternifolia) nut oil · Macadamia ternifolia oil · Macadamia tetraphylla oil · Macadamia tetraphylla Oils · Macadamiatetraphylla Oils · macademia nut oil

What it does

Used in cosmetics as an emollient, a skin-conditioning agent and an abrasive. Hydrogenated Macadamia Seed Oil is the end-product of the controlled hydrogenation of the oil expressed from the seeds of Macadamia integrifolia, Proteaceae.

  • Emollient
  • Skin conditioning
  • Abrasive
  • Hair conditioning
  • 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. Macadamia ternifolia seed oil appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Pharma
  • Food
  • Industrial
  • EUCosIngActive5 entries
    • Hydrogenated Macadamia Seed Oil is the end-product of the controlled hydrogenation of the oil expressed from the seeds of Macadamia integrifolia, ProteaceaeSource →
    • Macadamia Integrifolia Shell Powder is the powder obtained from the dried, ground shell and fiber of the Macadamia integrifolia, ProteaceaeSource →
    • Macadamia Ternifolia Seed Extract is an extract of the nuts of the Bushnut, Macadamia ternifolia, ProteaceaeSource →
    • Macadamia Ternifolia Seed Oil is the fixed oil obtained from the nuts of the Bushnut, Macadamia ternifolia, Proteaceae. It consists primarily of the glycerides of the fatty acidsSource →
    • Macadamia Ternifolia Shell Powder is the powder obtained from the dried, ground shells of the Bushnut, Macadamia ternifolia,Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 328 composition records across product categories including Personal care, Food and drug, Raw materials. EPA CPDat classifies this chemical for functional uses including Abrasive, Softener and conditioner.
    • EPA CPDat observed this chemical in 328 composition records across product categories including Personal care, Food and drug, Raw materials. EPA CPDat classifies this chemical for functional uses including Abrasive, Softener and conditioner.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as structurallydiverse.
    • openFDA substance registry classifies this ingredient as structurallydiverse.Source →

Expert safety opinions

No expert opinion on file for Macadamia ternifolia seed oil. 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 Macadamia ternifolia seed oil 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 September 2014

    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.

Food use

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Macadamia ternifolia seed oil in a product composition. These are source records, not Greenveil catalog products.

Source records

328

Named organisations

6

Personal careFood and drugRaw materials

Typical roles

EmollientSkin conditioningAbrasiveHair conditioningConditioner
See products using Macadamia ternifolia seed oil →

Catalog

Found in these products

Their ingredient lists include Macadamia ternifolia seed oil; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Macadamia ternifolia seed oil in the catalog.