December 2023 in “JSFK (Jurnal Sains Farmasi Klinis)/JSFK (Jurnal Sains Farmasi dan Klinis)” The 0.3% cocoa bean extract tonic is best for hair growth in mice.
January 2024 in “Jurnal Ilmiah Ibnu Sina (JIIS) Ilmu Farmasi dan Kesehatan” The F2 hair tonic with shallot extract is effective and stable for hair growth.
September 2022 in “KnE medicine” Higher candle nut oil concentration increases droplet size and changes the hair tonic's properties and stability.
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August 1996 in “Forensic Science International” Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.
April 2025 in “International Journal of Advanced Research in Science Communication and Technology” The herbal shampoo with flaxseeds and other herbs promotes hair growth and is safe for use.