The sources.

Fatty-acid composition: 73 to 88% oleic acid, a profile comparable to olive oil.

Montúfar et al. · Journal of the American Oil Chemists' Society, 2010 View study

Tocopherol content and oil profile of Amazonian palm fruits.

Darnet et al. · Food Science and Technology, 2011 View study

Documented use across Amazonian peoples, including hair care.

Macía et al. · The Botanical Review, 2011 View study

Oils of this profile penetrate the hair fiber rather than coat it.

Keis et al. · Journal of Cosmetic Science, 2005 View study

Antioxidant capacity of the fruit, exceeding açaí in standard assays.

Rezaire et al. · Food Chemistry, 2014 View study

Among the richest natural sources of β-carotene of any plant oil, and shown in vitro to protect skin cells under UVA and UVB stress.

Zanatta et al. · Food and Chemical Toxicology, 2010 View study

Vitamin E (α-tocopherol) measured at 689 mg per kilogram of oil.

Foods, 2025

Limonene as the dominant component of the essential oil, up to around 77%.

Journal of Essential Oil Research, 2019 View study

Limonene's anti-inflammatory and skin-barrier-supporting activity.

International Immunopharmacology, 2025 View study

Antimicrobial activity against common skin bacteria and Candida, in laboratory tests.

Boletín Latinoamericano y del Caribe de Plantas Medicinales y Aromáticas, 2017 View study

A 10% lemongrass-oil hair tonic reduced dandruff by 81% within 14 days, in a randomized, double-blind, placebo-controlled trial on people.

Chaisripipat et al. · Research in Complementary Medicine, 2015 View study

Activity against Malassezia furfur, the scalp yeast behind dandruff.

Wuthi-udomlert et al. · Southeast Asian Journal of Tropical Medicine and Public Health, 2011 View study

Topical anti-inflammatory activity of lemongrass essential oil.

Boukhatem et al. · Libyan Journal of Medicine, 2014 View study