November 2022 in “Journal of Advances in Pharmacy Practices” The 5% terentang stem bark extract significantly increased hair growth in male rabbits.
December 2021 in “Prosiding Seminar Nasional Kesehatan” Bandotan leaf extract effectively promotes hair growth.
Hibiscus leaf extract in hair tonic promotes hair growth effectively.
Long bean leaf juice significantly promotes hair growth.
April 2019 in “Majalah Obat Tradisional” Menthol boosts the hair growth effects of Phyllanthus niruri gel.
January 2019 in “Prosiding Program Kreativitas Mahasiswa” A 15% pea extract hair tonic effectively promotes hair growth and combats hair loss.
October 2018 in “IOP conference series. Materials science and engineering” Coffee residue extract significantly boosts hair growth.
August 2017 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Melatonin supplementation may lower skin temperature in unshaved areas of pregnant beef cattle.
January 2013 in “Journal of Liaoning University of Traditional Chinese Medicine” Ginkgo mixture promotes hair growth in mice.
Low-level laser therapy combined with Neoptide improved hair regrowth better than either treatment alone in rats.
63 citations
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March 2000 in “Annals of clinical psychiatry” Some psychiatric medications can cause hair loss, but it usually grows back after adjusting the medication.
16 citations
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January 2021 in “Frontiers in veterinary science” Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.
3 citations
,
January 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
1 citations
,
December 2022 in “Current Issues in Molecular Biology” Annurca apple extract improved hair growth in mice and could potentially prevent hair loss.
1 citations
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March 2021 in “Korean Journal of Clinical Laboratory Science” The extract promoted hair growth without significant toxicity.
1 citations
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March 2010 in “Internal medicine journal” A 72-year-old man with sudden taste issues and hair growth was diagnosed with a severe stomach cancer and died within 5 months.
December 2025 in “INDONESIAN JOURNAL OF PHARMACY” Clove oil nanoemulsion hair serum may effectively treat hair loss.
October 2022 in “Asian journal of healthy and science” Mother-in-law's tongue leaf extract at 20% concentration significantly promotes hair growth in male rabbits.
rhKGF2 significantly promotes hair growth and follicle development.
Coconut oil can damage hair by clogging pores, causing frizz, and disrupting moisture balance.
122 citations
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October 2013 in “PEDIATRICS” Maternal stress during pregnancy affects a child's stress levels.
103 citations
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February 1972 in “Proceedings of the National Academy of Sciences” A unique enzyme in guinea pig hair follicles helps form protein cross-links in hair.
42 citations
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May 1997 in “The Journal of Biochemistry” PAD type III enzyme is specific to rat skin and hair follicles.
40 citations
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January 1973 in “Journal of Dairy Science” Zinc deficiency in male goats leads to poor hair growth, smaller testicles, reduced libido, and is hard to reverse.
35 citations
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September 1972 in “Journal of Biological Chemistry” Steroid hormone binding in rat skin varies with pH, heat, and hair cycle phases.
30 citations
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December 2014 in “Toxicological Research” Peppermint oil can effectively promote hair growth without being toxic.
26 citations
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September 2014 in “Neuroscience Letters” Metformin protects hair cells in lab tests but not in live animals.
25 citations
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December 1973 in “Biochemical Journal” Guinea-pig hair and follicle proteins are mostly similar, but follicles have more group 2 proteins and fewer group 3 and 4 proteins.
24 citations
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June 2018 in “PubMed” Serenoa repens extract helps regrow hair and repair hair loss by activating certain cell growth pathways.
24 citations
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February 2016 in “Journal of Animal Physiology and Animal Nutrition” Hair sheep in tropical climates need different mineral amounts for growth than commonly recommended.