Bertholletia Excelsa Extract

Bertholletia Excelsa Extract Description

_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.

While 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.

As 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.

_Bertholletia 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.