Bertholletia Excelsa Extract
Reviewed by Rosie · Last updated 20 Jul 2026
Also known as: Bertholletia excelsa
From the Brazil nut tree
EWG Safety Score
What Is Bertholletia Excelsa Extract?
Bertholletia excelsa extract comes from a plant more commonly known as the Brazil nut. Extracts from this plant can come from its bark, seeds, or stems.\n\nWhile there isn’t a great depth of research at this point on Brazil nut extracts uses in cosmetics, what we do know about it is promising.\n\nAs with most other plant-derived extracts, it contains skin-beneficial antioxidant compounds, particularly polyphenols. One study found that the stem-bark extract from Bertholletia excelsa stimulates collagen production, making it a valuable ally in the fight against visible signs of aging.\n\nBertholletia excelsa extract is most often prepared for cosmetics in a base of water and glycerin. In this form, use levels of the extract range from 0.25–2.5%, with clinical studies showing impressive benefits beginning at a 1% use level.
Clinical Evidence & References
Published Research
-
Nutrition Reviews, February 2025, pages e471–e485 Nutrition Reviews, 2025
-
International Journal of Cosmetic Science, October 2024, pages 643-656 International Journal of Cosmetic Science, 2024
-
Trends in Sciences, August 2023, pages 1-15 Trends in Sciences, 2023
-
Boletín Latinoamericano y del Caribe de Plantas Medicinales y Aromáticas, July 2023, pages 472-487 Boletín Latinoamericano y del Caribe de Plantas Medicinales y Aromáticas, 2023
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
Barberry
Has potent antioxidant properties Also a soothing ingredient
Barley Extract
Extract from barley plants
Beet Root Extract
Rich source of antioxidants Has skin-soothing properties
Beta Vulgaris Root Extract
Beta-Sitosterol
A fatty acid-type ingredient derived from plants
Betula Alba (Birch) Juice
AKA birch juice
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.