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July 1999 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Proteolytic enzymes damage hair follicles by detaching stem cells.
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April 2024 in “Science China Materials”
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January 2009 in “Experimental Dermatology” Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Gap junctions help control feather pattern formation by enabling cell communication.
75 citations
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July 2016 in “New phytologist” The protein RSL4 is crucial for making root hairs longer by controlling genes related to cell growth.
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January 1987 in “PubMed” Thyroid hormone and epidermal growth factor affect hair angle, tooth eruption, and ear development in rats.
January 2026 in “Journal of Innovative and Creativity (Joecy)” The 4% and 9% celery hair tonics are stable and suitable for herbal cosmetics.
November 2022 in “Journal of Investigative Dermatology” The extract of Silybum marianum, Manganese PCA, and Lespedeza capitata can boost hair growth and extend the growth phase when combined in a serum.
18 citations
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December 2020 in “Frontiers in cell and developmental biology” miR-140-5p in certain cell vesicles helps hair growth by boosting cell proliferation.
January 2021 in “Indonesian Journal on Medical Science” The hair tonic with aloe vera and celery was successfully made, with the first formula being the most stable.
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May 2013 in “European Journal of Dermatology” Dermoscopy can non-invasively detect eruptive vellus hair cysts on the labia majora.
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June 2000 in “Experimental dermatology” The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
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March 2010 in “Molecular Endocrinology” Androgens like testosterone increase colon muscle contractions by affecting calcium pathways.
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May 2024 in “Frontiers in Physiology” Sex hormone supplements help improve breathing and nerve recovery after spinal injury in rats.
The arrector pili muscle plays a key role in hair loss in androgenetic alopecia.
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July 2025 in “The Journal of Physiology” C-tactile nerves are sensitive to hair movement.
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April 2023 in “Biochemical Society Transactions” Tissue stiffness helps shape how organisms develop.
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December 2010 in “Journal of Investigative Dermatology” Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
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January 2013 in “Lasers in medical science” The fractional ultrapulse CO2 laser is a safe and effective non-surgical treatment for upper eyelid issues and brow lifting.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Silybum marianum extract, Manganese PCA, and Lespedeza capitata extract may help with hair growth and anchorage, potentially aiding in hair loss treatment.
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January 2025 in “Nature Reviews Molecular Cell Biology” October 2022 in “European Heart Journal” Potent extracellular vesicles from cardiosphere-derived cells can improve heart health and other functions in aging.
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December 2001 in “Linchuang pifuke zazhi” Some Chinese herbs can promote or inhibit hair growth.
Epimorphin helps shape and develop epithelial cells, like those in hair follicles.
88 citations
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May 2024 in “Journal of Extracellular Vesicles” Extracellular vesicles show promise as treatments but need more research for safety and effectiveness.
January 1995 in “Equilibrium Research” Birds can regenerate inner ear hair cells from supporting cells, and mammals show potential for similar regeneration.
Engineered vesicles deliver mitochondria to improve diabetic wound healing.
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April 2008 in “PubMed” A gene mutation causes monilethrix in a Chinese family.
14 citations
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October 2006 in “Journal of The American Academy of Dermatology” A woman with Parkinson's disease experienced hair loss from the Parkinson's medication pramipexole, which improved after stopping the drug.
October 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair growth slows under force, confirming a model of cell wall mechanics.