October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
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July 2015 in “Current Drug Discovery Technologies” Some plants may help with hair growth and have fewer side effects than synthetic drugs, but more research is needed to confirm their effectiveness.
August 2023 in “Vittalle” Mais estudos são necessários para garantir a eficácia e qualidade dos tratamentos de alopecia com plantas medicinais.
May 2023 in “Advancements in Homeopathic Research” Zauberöl® may help treat hair loss caused by testosterone in rats.
March 2021 in “International journal for research in applied science and engineering technology” Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.