10 citations
,
May 1983 in “International Journal of Dermatology” Some people with severe hair loss saw hair regrowth after a specific light and drug treatment.
February 2012 in “Clinical and Experimental Dermatology” Many adult women experience unexplained excessive hair shedding, often starting before age 40.
August 2016 in “Journal of Dermatology” A chemical called 5-Bromo-2′-deoxyuridine caused rapid hair loss in mice by killing certain skin cells through a specific cell death pathway.
8 citations
,
December 2015 in “JAMA ophthalmology” A young man had vision loss, hair loss, and other symptoms, but tests showed mostly normal results except for slightly high protein in spinal fluid.
1 citations
,
October 2020 in “Journal of Cosmetic Dermatology” Low iron levels are linked to premature graying of hair, but vitamin D levels are not.
73 citations
,
October 2003 in “Journal of Pharmacology and Experimental Therapeutics” Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.
10 citations
,
May 2021 in “Clinical, cosmetic and investigational dermatology” UV exposure causes hair thinning, graying, and changes in hair growth cycles in mice.
13 citations
,
June 2021 in “Carcinogenesis” Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.
Premature hair graying is common and linked to stress, obesity, vitamin deficiencies, family history, lack of exercise, smoking, and allergies.
4 citations
,
September 2015 in “Case Reports” A man fainted and felt unwell after using a strong hair growth product, but got better when he stopped using it.
1 citations
,
February 1938 in “Archives of Dermatology” The woman's hair loss might be due to a chronic infection.
147 citations
,
April 1994 in “Drug Safety” Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.
17 citations
,
January 2008 in “Journal of the American Academy of Dermatology” Valproic acid can cause hair loss, but information on hair color change is not detailed.
3 citations
,
June 2023 in “ACS sustainable chemistry & engineering” The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
February 2026 in “American Scientific Research Journal for Engineering, Technology, and Sciences (Global Society of Scientific Research and Researchers)” Gray hair requires special coloring techniques and care to maintain quality and strength.
April 2026 in “Indian Dermatology Online Journal” Premature graying of hair is more common in males and linked to family history, smoking, hair plucking, and low levels of certain vitamins and minerals.
March 2023 in “Chinese Journal of Dermatology” Protecting hair and scalp from sunlight may help prevent hair loss.
August 1994 in “Drugs & Therapy Perspectives” Some drugs can cause hair loss or growth, but hair usually returns to normal after stopping the drug.
126 citations
,
January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
1 citations
,
December 2022 in “PubMed” COVID-19 may cause temporary hair loss, which usually gets better on its own, but reducing stress and managing health issues might help recovery.
2 citations
,
April 2018 in “Pediatric dermatology” Elaborate princess hairstyles at a theme park caused hair loss and scalp damage in young girls.
226 citations
,
January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
January 2024 in “Uttar Pradesh journal of zoology” Chemical treatments severely damage hair cuticles, especially in previously treated hair.
60 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying a specific inhibitor lightens skin and hair color.
1 citations
,
January 2014 Some drugs can cause temporary or permanent hair loss.
July 2025 in “International Journal of Dermatology Venereology and Leprosy Sciences” Examining Survivin levels may help understand premature greying of hair.
November 2001 in “CRC Press eBooks” Hair loss from telogen effluvium happens when a disturbance or imbalance causes hair to fall out prematurely.