research 1321 Endocannabinoid-like molecule oleoylethanolamide promotes sebaceous lipid synthesis 1 citations , April 2018 in “Journal of Investigative Dermatology” Oleoylethanolamide (OEA) safely boosts fat production in skin cells and may help treat dry skin and reduce inflammation.
research Hair cortisol and other hair analytes decline with storage over a one-year period: A systematic, within-subject investigation 7 citations , September 2025 in “Psychoneuroendocrinology” Hair analytes decrease with storage, so analyze within six months.