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November 2014 The skin protects the body, regulates temperature, senses touch, and makes vitamin D.
April 2017 in “Journal of dermatological science” Human hair follicles can produce stem cells that turn into heart muscle cells.
Human hair color is determined by melanin types and genetic factors.
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January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
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October 2022 in “Cell Regeneration” A new mouse model effectively mimics vitiligo for research and drug testing.
May 2021 in “GSC Advanced Research and Reviews” Hair color is influenced by genetics and can indicate certain health conditions.
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January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
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May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
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August 2009 in “Journal of the American Academy of Dermatology” Melanocytes might be targeted by the immune system in people with alopecia areata, but more research is needed.
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October 2007 in “Expert Review of Dermatology” Hair ages due to various factors and treatments like minoxidil and finasteride can help, but more research and better public awareness are needed.
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December 1996 in “Seminars in Cutaneous Medicine and Surgery” Chemotherapy and cytokine therapy can cause various skin reactions, including hair loss and hypersensitivity.
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May 2006 in “PubMed” Alpha-melanocyte-stimulating hormone helps manage skin inflammation and protect against UV damage.
April 2018 in “Journal of Investigative Dermatology” Different types of stem cells in the skin contribute to the variety of melanoma forms.
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January 2004 in “Hormones” Human skin acts like a hormone-producing organ, making and managing various hormones important for skin and hair health.
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair color is determined by different melanins and changes with age.
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September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
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November 2022 in “Antioxidants” OR2AT4 helps reduce aging and cell damage in human skin cells.
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September 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing Dicer from pigment cells in newborn mice causes early hair graying and changes in cell migration molecules.
November 2025 in “Journal of Investigative Dermatology” TEC kinases may help cause inflammation in vitiligo and could be targeted for treatment.
May 2021 in “International journal of developmental research” Estrogens and progesterone are key in regulating melasma pigmentation.
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January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
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November 2018 in “Physiological Reviews” The document concludes that better targeted treatments are needed for wound healing, and single-cell technologies may improve cell-based therapies.
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January 2015 in “Hair therapy & transplantation” Hair follicle stem cells could be used to treat the skin condition vitiligo.
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July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
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April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
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July 2011 in “Biomacromolecules” Chitosan nanofiber scaffolds improve skin healing and are promising for wound treatment.
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June 2009 in “Journal of Cellular Biochemistry” Human hair follicle stem cells can safely and effectively help nerve regeneration.
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December 2008 in “Journal of Investigative Dermatology” Thyroid-stimulating hormone affects hair follicles but doesn't change hair growth or color.