January 2017 in “Journal of Dermatology and Venereology” Naringenin and Hesperetin may help hair grow and protect hair cells from damage.
March 2001 in “Clinics in Dermatology” Hair disease research is a growing and evolving field in dermatology, with recent significant advances.
February 2021 in “Journal of The American Academy of Dermatology” Fibrosis in the bulge area of hair follicles can cause hair thinning in male pattern baldness, and drugs that inhibit fibrosis might help reverse this.
86 citations
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May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
November 2025 in “International Journal of Molecular Sciences” Combining different drugs can improve hair loss treatment.
January 2025 in “International Journal of Research and Innovation in Applied Science” Dry shampoo is a convenient, eco-friendly option that cleans and nourishes hair without water.
102 citations
,
July 2020 in “International journal of molecular sciences” Hormones like testosterone and estrogen significantly affect hair growth and structure.
93 citations
,
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.
74 citations
,
January 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the DSG4 gene can cause a rare hair disorder similar to monilethrix.
62 citations
,
July 2018 in “Lasers in Medical Science” LED therapy is safe and shows potential for treating skin conditions and promoting hair growth, but more research is needed.
48 citations
,
November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
35 citations
,
December 2008 in “PubMed” Trichilemmoma, BCC, and SCC tumors have different stem cell marker expressions.
26 citations
,
January 2007 in “Organogenesis” Bioengineering can potentially treat hair loss by regenerating hair follicles and cloning hair, but the process is complex and needs more research.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
19 citations
,
July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
15 citations
,
May 2013 in “International Journal of Cosmetic Science” Different ethnic hair types have unique nanoscopic and molecular features despite having the same basic keratin structure.
14 citations
,
April 2016 in “PloS one” The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.
9 citations
,
April 2024 in “Heliyon” Probiotics may help with hair growth and dandruff, but more research is needed.
8 citations
,
August 2014 in “Biochemical and Biophysical Research Communications” ODC overexpression in hair cells increases tumor growth by reducing Notch signaling.
2 citations
,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
2 citations
,
September 2020 in “International Journal of Applied Pharmaceutics” Clove leaf extract in hair tonic boosts rabbit hair growth.
2 citations
,
November 2017 in “Journal of Cosmetic Dermatology” Injecting platelet-rich plasma under the skin significantly improves hair growth and quality without harmful effects.
1 citations
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August 2022 in “Chemical engineering journal advances” Scientists made human hair magnetic by coating it with special nanoparticles.
1 citations
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August 2021 in “International journal of scientific research in science and technology” The polyherbal hair oil promotes hair growth, reduces hair loss, and is safe to use.
Fgf20 helps form hair follicle structures by stopping cell division and increasing cell movement.
1 citations
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October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.
July 2023 in “International Journal of Ayurvedic Medicine” Hair can indicate health issues and help diagnose and treat conditions in Ayurveda.
January 2026 in “International Journal of Biological Macromolecules” Small KP peptide improves hair without reducing agents, while larger proteins need them for better results.
July 2025 in “International Journal of Dermatology Venereology and Leprosy Sciences” The human amniotic membrane is a promising material for skin treatments and hair growth.
May 2024 in “Molecules/Molecules online/Molecules annual” Plant extracts can help prevent hair loss and promote hair growth.