5 citations
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March 2019 in “Scientific Reports” The technique can isolate cells to help treat skin pigmentation issues.
April 2026 in “npj Regenerative Medicine” Melanocyte stem cells in hair follicles are key to understanding and potentially preventing hair graying.
2 citations
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June 2018 in “Clinical and Experimental Dermatology” Permanent hair loss after a stem cell transplant can be a sign of chronic immune system attack on the scalp.
140 citations
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August 2010 in “Pigment Cell & Melanoma Research” We know a lot about mouse hair color, but not much about human hair color differences.
April 2023 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Direct heat perms cause more damage to hair than softening heat perms.
46 citations
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April 2014 in “PLOS ONE” Gray hair may be caused by lower antioxidant activity in hair cells.
January 2006 in “Carl von Ossiezky University of Oldenburg” Unpigmented keratinocytes absorb substances faster, while melanocytes bind more strongly to melanin.
72 citations
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December 2011
3 citations
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October 2019 in “Pharmaceutics” New technique implants pigment in scalp with less pain and damage.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
February 2025 in “Biomimetics” The shampoo straightens hair while keeping it healthy and less damaged.
Hair turning darker can be a sign of skin cancer.
16 citations
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October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
4 citations
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January 2016 in “Case reports in dermatological medicine” A man had temporary hair loss from radiation during a medical procedure but regrew his hair after treatment with minoxidil lotion.
40 citations
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July 1989 in “Journal of Cell Science” Rat hair follicles can be kept alive in a lab for 7 days but then stop growing.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
6 citations
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October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
59 citations
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March 2003 in “The Lancet” Imatinib can repigment grey hair, while SU11428 can cause temporary hair depigmentation.
February 2025 in “Journal of Women & Aging” Older Black women in the UK feel more confident and engaged when their hair is visible and celebrated.
13 citations
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September 2020 in “Sensors” Hair follicles have a pH gradient, increasing towards the root.
October 2025 in “Journal of the Korean Society of Cosmetology” Dandelion extract mist protects hair from heat damage and improves styling.
56 citations
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November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
September 2020 in “Benha Journal of Applied Sciences” Protein hair straighteners damage the hair more than hair dyes.
46 citations
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December 2000 in “Seminars in Cutaneous Medicine and Surgery” Laser and light treatments offer quick, long-lasting hair removal for large areas.
March 1995 in “The Journal of Dermatology” Immature hair cells can grow and change into different types of hair cells over time.
December 2023 in “ACS Sustainable Chemistry & Engineering” Keratin can be successfully taken from human hair using a mix of choline chloride and ethanolamine.
January 2019 in “Clinical pediatric dermatology” Scalp micropigmentation is a non-surgical alternative to hair transplants that mimics hair follicles and requires no downtime.
July 2022 in “Journal of Investigative Dermatology” The combination of a plant extract and a peptide can increase hair pigmentation and may reverse greying.
75 citations
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January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.