7 citations
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September 2020 in “Bioscience Biotechnology and Biochemistry” The scalp has more diverse bacteria, while hair has more bacteria and unique types.
16 citations
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January 1977
3 citations
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March 2019 in “PubMed” Biofibre hair implants are safe, well-tolerated, and provide immediate cosmetic improvement for hair loss.
17 citations
,
July 2022 in “BMC Genomics” The FA2H gene improves cashmere fineness by enhancing hair growth in goats.
4 citations
,
August 2023 in “Journal of Cosmetic Dermatology” Gynostemma pentaphyllum extract may help grow hair and prevent graying.
December 2021 in “Asian journal of pharmaceutical and clinical research” The homemade hair oil made from natural ingredients helps hair grow, reduces hair fall, dandruff, and graying, and makes hair shiny with few or no side effects.
26 citations
,
November 2002 in “Planta medica” Extracts from Cercidiphyllum japonicum wood can stimulate mouse hair cell growth like common hair growth treatments.
November 2025 in “F1000Research” Certain fungi may contribute to hair loss in cynomolgus macaques.
101 citations
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January 2014 in “Journal of Visualized Experiments” The method effectively measures long-term stress levels using hair samples.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
January 2026 in “International Journal of Science and Research Methodology” Bhangra may help treat premature greying of hair by boosting melanin and improving scalp health.
16 citations
,
February 2015 in “Photochemistry and Photobiology” Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.
3 citations
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March 2015 in “Biomolecules & Therapeutics” Phospholipids from pig lungs can significantly promote hair growth.
5 citations
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September 2006 in “Natural medicines/Journal of natural medicines” Microscopic hair features can identify different Cauda Cervi species.
2 citations
,
December 2022 in “International journal of molecular sciences” Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.
October 2023 in “Ho Chi Minh City Open University Journal of Science - Engineering and Technology” Human hair follicle cells have specific features.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
VB-1, a natural compound, may promote hair growth by enhancing important cell signaling and increasing key gene expression.
September 2020 in “Research Square (Research Square)” Researchers found that certain RNA sequences play a role in yak hair growth and these sequences are somewhat similar to those in cashmere goats.
Three Indian medicinal plant compounds help hair growth.
34 citations
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July 1958 in “Biochimica et Biophysica Acta”
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Tet1, Tet2, and Tet3 are important for the development of hair follicles and determining hair shape by controlling hair keratin genes.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
50 citations
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July 2018 in “Psychoneuroendocrinology” Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
6 citations
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January 2022 in “Gene” Scientists found 53 keratin genes in yaks that are important for hair growth and share similarities with those in other animals.
8 citations
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April 1997 in “Experimental Dermatology” hHbl gene is active in hair shaft cells and some pilomatricomas.
April 2024 in “Clinical, cosmetic and investigational dermatology” Salvianolic Acid B helps hair grow by reducing cell stress and increasing blood flow to hair follicles.
July 2025 in “Journal of Investigative Dermatology” Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
21 citations
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September 2021 in “New Phytologist” HB24 helps convert IBA to IAA, promoting root hair growth.
5 citations
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November 2017 in “Asian journal of pharmaceutical and clinical research” Pakis Gajah (Angiopteris evecta) water extract may promote hair growth in rabbits, but more research is needed for human use.