Bertholletia excelsa seed oil

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AKA: Brazil Nut Oil, Bertholletia Excelsa Oil
Plant-Derived
Emollient
Skin Conditioner
Not Clean
OriginNative to South America, Brazil. Derived from the seeds of Bertholletia excelsa, a tree native to South American rainforests in the Lecythidaceae family. Cold-pressed from the seeds to extract the oil without heat or chemicals.
Bertholletia Excelsa Seed Oil is the fixed oil expressed from the nuts of the Bertholletia excelsa, Lecythidaceae
Family
Lecythidaceae (Brazil nut family)
Plant Part
Seed
Lifeform
Tree
Climate
Wet tropical
CAS #
356065-50-4
Form
Oil
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Brazil Nut)
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.0003–0.5%
Rinse-off0.01–0.2%
0%50%100%
CIR reported use · report published 2017
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR