April 2025 in “International Journal of Molecular Sciences” Iris-exosomes may help treat hair loss by activating hair growth pathways.
January 2021 in “Natural Products Chemistry & Research” Combining Datura metel leaf and flower extracts can enhance hair growth without skin irritation.
35 citations
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November 2019 in “Scientific Reports” Shikimic acid promotes hair growth.
September 2023 in “Stem Cells International” Substances from fat-derived stem cells can promote hair growth and counteract hormone-related hair loss by activating a key hair growth pathway.
August 2018 in “Journal of Investigative Dermatology” Polyunsaturated fatty acids, like arachidonic acid and eicosapentaenoic acid, can promote hair growth and may help treat hair loss.
May 2016 in “Hair transplant forum international” 
7 citations
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March 2022 in “Molecules” 5-Bromo-3,4-dihydroxybenzaldehyde could potentially help hair growth by activating certain cell pathways and inhibiting others.
Essential oils in a nanoemulsion help hair grow better than minoxidil 2% in mice.
January 1939 in “Münchener medizinische Wochenschrift” January 2026 in “Biochemical Pharmacology”