September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
December 2010 in “Vestnik dermatologii i venerologii” Certain genes and X chromosome patterns may significantly contribute to the development of hair loss.
March 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Beard hair medulla cells have a unique and varied keratin pattern.
Preserving intact follicular units improves hair transplant success.
The vitamin D receptor has many roles in the body beyond managing calcium, affecting the immune system, hair growth, muscles, fat, bone marrow, and cancer cells.
September 2005 in “Journal of Investigative Dermatology” Ferulic acid helps stabilize vitamins C and E for better skin protection from the sun, certain compounds may promote hair growth, atopic dermatitis patients have lower skin defense molecules, older men are more likely to get a type of skin cancer, and a substance called relaxin may prevent age-related skin thickening.
April 1992 in “Current opinion in therapeutic patents” New steroids were patented as effective for treating acne, hair loss, and other conditions related to hormones.
June 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Prostaglandin D2, found in higher levels in bald scalps, stops hair growth and could be a target for treating hair loss.
June 2025 in “Journal of Cosmetic Dermatology” Bathroom heating lamps can damage hair, causing it to become dry, brittle, and broken.
January 2014 in “International Journal of Trichology” Hair changes are common in AIDS patients and can add to their financial and emotional stress.
503 citations
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May 2009 in “Cell stem cell” Lrig1 marks a unique group of stem cells in mouse skin that can become different skin cell types.
474 citations
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January 2012 in “Chemistry & biology” Proteasome inhibitors are promising treatments for various cancers, autoimmune diseases, and other conditions.
412 citations
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January 1998 in “Science” A mutation in the human hairless gene causes alopecia universalis.
359 citations
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January 2015 in “Cold Spring Harbor Perspectives in Medicine” Hair growth phase and certain genes can speed up wound healing, while an inflammatory mediator can slow down new hair growth after a wound. Understanding these factors can improve tissue regeneration during wound healing.
205 citations
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April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
187 citations
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May 1988 in “Differentiation” Trichocytic cytokeratins are found in hair, nails, tongue, and thymus cells, showing complex regulation in tissue development.
176 citations
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April 2011 in “Science” Hair stem cell regeneration is controlled by signals that can explain different hair growth patterns and baldness.
174 citations
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November 2016 in “Cell stem cell” Different types of skin cells have unique genetic markers that affect how likely they are to spread cancer.
138 citations
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March 2007 in “Experimental cell research” Only a few hair-specific keratins are linked to inherited hair disorders.
130 citations
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April 2003 in “Journal of Investigative Dermatology” Four specific keratins in hair follicles help understand hair structure and function.
122 citations
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April 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.
118 citations
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September 2004 in “Clinics in Dermatology” Hormones, especially androgens, play a big role in acne, but most acne sufferers don't have a hormone disorder. Hormonal treatments, including birth control pills, can be very effective for women whose acne doesn't improve with regular treatments.
111 citations
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April 2000 in “British journal of dermatology/British journal of dermatology, Supplement” Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.
108 citations
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April 2004 in “Medicinal Research Reviews” Steroid sulfatase inhibitors could help treat hormone-related disorders and cancers.
90 citations
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October 1983 in “British Journal of Dermatology” The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
77 citations
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July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
72 citations
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November 2012 in “PloS one” The protein folliculin, involved in a rare disease, works with another protein to control how cells stick together and their organization, and changes in this interaction can lead to disease symptoms.
70 citations
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April 2014 in “Annales d'endocrinologie” New genes and pathways are important for testosterone production and male sexual development.
63 citations
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March 2020 in “Clinical Cosmetic and Investigational Dermatology” Alopecia areata affects many in the US, impacting quality of life, with limited treatment options.
59 citations
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May 2017 in “Scientific reports” ZDHHC13 is important for normal liver function and metabolism, affecting mitochondrial activity.