research The Hair Growth-Promoting Effect of Gardenia florida Fruit Extract and Its Molecular Regulation 1 citations , September 2022 in “Evidence-based Complementary and Alternative Medicine” Gardenia florida fruit extract may help hair grow and needs more research to understand how.
research Effect of Polarized Light Therapy on Hair Regrowth in Alopecia Areata September 2018 in “The Medical Journal of Cairo University/The Medical Journal of Cairo University” Polarized light therapy helps hair regrowth in alopecia areata patients.