Botanical Oils
Bertholletia Excelsa (Brazil Nut) Seed Oil
Bertholletia Excelsa (Brazil Nut) Seed Oil
Key Benefits
- Softens dry, rough-feeling skin
- Helps reduce moisture loss
- Improves suppleness and slip
- Conditions dry hair and ends
- Supports a smoother surface feel
How It Works
Ingredient Details
INCI Name: Bertholletia Excelsa Seed Oil
Ingredient Type: Botanical Seed Oil
Best For
Dry skin · Normal skin · Dry or textured hair · Brittle-feeling ends
What It Is
What It Does
Bertholletia Excelsa (Brazil Nut) Seed Oil FAQs
Common questions about this ingredient in skincare.
What is Brazil nut seed oil?
It is the lipid-rich oil obtained from Bertholletia excelsa kernels, typically by pressing or solvent extraction followed by appropriate cosmetic refining.
What fatty acids does it contain?
Studies commonly identify oleic and linoleic acids as major unsaturated fatty acids, alongside palmitic and stearic acids. Exact proportions vary by source and processing.
Does Brazil nut oil supply selenium to skin?
That should not be assumed. Selenium is associated mainly with the whole nut’s non-oil components, and a cosmetic oil requires analytical testing before any selenium-content claim.
Can it moisturize dry skin?
Yes, as an emollient. Its lipids soften the surface and help reduce moisture loss, though complete moisturization also benefits from humectants and other barrier-support ingredients.
Can it be used on hair?
Yes. It can improve slip and softness and help dry lengths and ends feel smoother, especially in conditioners, masks, and leave-in oils.
What about Brazil nut allergy?
People with a serious Brazil nut or tree-nut allergy should consult an allergist before use. Refining may reduce proteins, but it does not justify assuming zero allergen risk.
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Products Featuring Bertholletia Excelsa (Brazil Nut) Seed Oil
