Stress can cause hair loss and trigger autoimmunity by damaging hair follicle cells.
November 2025 in “FEBS Open Bio” JAK/STAT1 pathway causes hair loss during chemotherapy by reducing Shh in hair follicles.
November 2025 in “Cosmetics” Most trichological shampoo ingredients lack strong evidence for effectiveness against hair loss.
September 2025 in “Biomolecules” The skin microenvironment significantly affects hair growth and loss, offering potential treatment avenues.
July 2025 in “Biomolecules” Adenosine may help with hair loss, but more research is needed.
June 2025 in “Molecular Therapy — Nucleic Acids” A new treatment using a DNA aptamer can promote hair growth by targeting a specific receptor.
June 2025 in “Journal of Cosmetic Dermatology” Botanical extract shampoo and tonic improved hair loss in most participants.
July 2024 in “International Journal of Molecular Sciences” RF-based therapies might help treat hair loss.
April 2023 in “Pharmacognosy Magazine” Cerasus serrulata flower extracts can help turn grey hair black again.
November 2022 in “Cosmetics” Red pigmented rice, like Sang-Yod rice, could help promote hair growth and prevent hair loss.
93 citations
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July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
2 citations
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August 2023 in “Marine drugs” Collagen from tilapia scales may improve hair and skin health by reducing stress and inflammation and encouraging hair growth.
1 citations
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May 2024 in “Preprints.org” Rex rabbit fur is best harvested at 120 days for optimal hair density and quality.
20 citations
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February 2018 in “Cell transplantation” Cinnamomum osmophloeum leaf extract may help treat hair loss by promoting hair growth and increasing hair cell proliferation.
19 citations
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July 2020 in “EBioMedicine” A gene variant increases the risk of a type of hair loss by affecting hair protein production.
14 citations
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April 2021 in “Heliyon” Pomegranate leaf extract may help with hair growth, dandruff, and lice.
December 2020 in “Daehanhanuihakoeji” Rumex japonicas Houttuyn ethanol extract helps increase hair growth and protect against hair damage.
236 citations
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April 2015 in “Cell” Plucking some hairs can trigger nearby unplucked hairs to grow back more due to a collective response.
231 citations
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October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
129 citations
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October 2017 in “BMC Genomics” The study improved understanding of gene roles in cashmere goat hair growth, aiding future cashmere production.
99 citations
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April 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles help skin immune recovery after UVB exposure.
95 citations
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August 2013 in “Journal of Investigative Dermatology” HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.
84 citations
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April 2002 in “Archives of Dermatology” Loose anagen hair syndrome may be caused by keratin gene mutations.
70 citations
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February 2007 in “Journal of Investigative Dermatology” K39 and K40 are the last keratins expressed in hair development, completing the hair keratin catalog.
30 citations
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July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
30 citations
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June 2022 in “Animals” Key genes, including KRT39 and KRT74, influence hair length in Inner Mongolia cashmere goats.
25 citations
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November 2020 in “Proceedings of the National Academy of Sciences” HoxC genes are crucial for normal hair and nail development.
23 citations
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January 2018 in “BMC genomics” Vimentin is involved in regulating the hair growth cycle in Inner Mongolian Cashmere goats.
21 citations
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January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
20 citations
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October 2017 in “Stem Cell Reports” Alkaline Ceramidase 1 prevents early hair loss in mice by keeping hair follicle stem cells balanced.