307 citations
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November 1968 in “Journal of neurophysiology” Cats' hairy skin has different touch receptors connected by myelinated fibers.
164 citations
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February 2010 in “Journal of Cell Science” Human dermal stem cells can become functional skin pigment cells.
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January 2025 in “JADA Foundational Science” Photobiomodulation therapy can reduce pain and inflammation and help heal tissues, but more research is needed to improve its effectiveness and safety.
April 2019 in “Journal of Investigative Dermatology” Fractional photothermolysis helps wounds heal with minimal scarring.
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March 2005 in “Journal of Investigative Dermatology” Autofluorescence in hair follicle stem cells can interfere with studies but may help isolate these cells.
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June 1999 in “Seminars in cutaneous medicine and surgery” Optical hair removal devices showed potential for long-term hair removal in 1999.
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March 2013 in “QScience Connect” Photodynamic therapy with methylene blue and a laser effectively destroys hair follicles better than traditional laser hair removal.
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September 2019 in “Clinical, Cosmetic and Investigational Dermatology” Light therapy can stimulate hair growth and is more effective when started early, but more research is needed on its long-term effects and optimal use.
January 2026 in “Aging and Disease” The α-MSH-MC1R-cAMP pathway does not protect skin cells from UVA damage.
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November 2014 in “Journal of Biomedical Optics” Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.
127 citations
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July 2002 in “EMBO journal” Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.
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July 2004 in “International Journal of Cosmetic Science” UV radiation and visible light can damage hair, but there are ways to protect it.
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January 2010 in “Journal of bone and mineral metabolism”
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June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
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January 2021 in “Springer Proceedings in Materials” Researchers developed a new method to clearly see and label hair proteins with minimal errors using advanced freezing and microscopy techniques.
July 2023 in “Journal of lasers in medical sciences” Red laser therapy helped regrow hair in an alopecia areata patient within 21 days.
2 citations
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January 2007 in “Journal of The American Academy of Dermatology” Red and infrared light therapy improves hair growth in balding patients.
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January 2005 in “Photochemistry and Photobiology” Protein kinase C epsilon may promote skin cancer development after UV exposure by affecting nearby cells.
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July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
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May 2018 in “Journal of Biomedical Optics” Certain types of human hair might help ultraviolet rays reach and damage cells, possibly leading to melanoma.
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July 2016 in “Indian Journal of Dermatology” DPR can show different hair characteristics, as seen in two brothers with normal hair.
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December 2011 in “Cell” Different hair follicles in the skin are innervated by unique combinations of mechanosensory neurons, crucial for touch sensation.
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February 2003 in “Cell and Tissue Research” FM dyes effectively stain Merkel cells for long-term observation.
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November 2009 in “Pigment cell & melanoma research” The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.
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April 2012 in “Analytical and Bioanalytical Chemistry”
Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker skin.
February 2025 in “Journal of the European Academy of Dermatology and Venereology” UVFD helps detect hair follicles in alopecia areata better than traditional methods.
1 citations
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November 2004 in “International Journal of Cosmetic Science” External agents penetrate skin more easily in areas with fewer lipids, especially through hair follicles.
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June 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D receptor helps protect skin cells from UV damage and supports their growth.