April 2016 in “Journal of The American Academy of Dermatology” The study found that Temporal Triangular Alopecia often starts in early childhood, mainly affects the left side of the scalp, and has no effective treatment except surgery.
January 2014 in “대한피부과학회지” A hepatitis B patient lost hair in patches after starting and stopping a treatment with pegylated interferon alpha2a.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” Alopecia areata is a hair loss condition that often starts before age 30 and can affect various body parts, with unpredictable hair regrowth chances.
January 2009 in “Journal of Xingtai University” Finasteride is made through a series of chemical reactions starting from a specific intermediate compound.
June 2001 in “European Journal of Dermatology” A 54-year-old woman experienced progressive hair loss starting in adolescence, leading to sparse scalp hair and almost no eyebrows or eyelashes.
89 citations
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January 2001 in “Dermatologic Surgery” Hair loss in women is common, starts in late 20s, and affects 30% of women over 50.
78 citations
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April 1994 in “Archives of dermatology” The study found that Keratosis Pilaris Atrophicans is a genetic skin condition that starts in childhood, involves inflammation and scarring, and current treatments are only somewhat effective.
77 citations
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January 1993 in “Skin Pharmacology and Physiology” Steroids stop hair growth temporarily but don't block the signals that start it.
35 citations
,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
21 citations
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August 1960 in “British journal of dermatology/British journal of dermatology, Supplement” Endoxan often causes hair loss, which usually starts in the third week of treatment.
20 citations
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February 2015 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” A 6-year-old girl was diagnosed with a rare hair disorder and started treatment with topical minoxidil.
12 citations
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May 2016 in “British Journal of Dermatology” A 6-year-old boy's skin condition improved after stopping a specific treatment and starting new medications.
6 citations
,
January 2024 in “Journal of Biotechnology and Biomedicine” Atopic dermatitis needs personalized treatment using various therapies, starting with topical corticosteroids.
6 citations
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July 2015 in “International Journal of Dermatology” Trichoepitheliomas can be hard to distinguish from other skin conditions and often start in teenage years.
6 citations
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January 2001 in “Dermatologic Surgery” Female pattern alopecia is common, starts in late 20s, and is not androgen dependent.
5 citations
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August 2001 in “International Journal of Dermatology” A 20-year-old had hair loss and skin issues from lichen planopilaris starting at age 10.
5 citations
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July 1991 in “Journal of The American Academy of Dermatology” Hair loss in a woman with eosinophilia-myalgia syndrome improved after stopping L-tryptophan and starting treatment.
4 citations
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March 2022 in “Ghana Medical Journal” Hair greying is common in Lagos, starting around age 30, more in males than females.
4 citations
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February 2019 in “Journal of Cutaneous Pathology” The marker 5-hmC changes in hair follicle stem cells when they start to grow.
3 citations
,
January 2016 in “Case reports in dermatological medicine” An 80-year-old man grew extra hair on his forearms after starting Alzheimer's medication rivastigmine.
2 citations
,
January 2012 in “PubMed” A gluten-free diet and surgery fixed the girl's calcium levels and started puberty.
2 citations
,
January 2002 in “Clinics in Dermatology” Vitiligo causes white skin patches, often starts before age 20, and is linked to other health issues.
1 citations
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December 2023 Hair grows in cycles and changes with age, starting from fetal development.
1 citations
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April 2022 in “The Journal of Family Practice” CCCA causes progressive hair loss in Black women, starting from a central scalp patch.
October 2022 in “Medičnì perspektivi” Darier-White disease causes skin and nail issues, starts around age 20, worsens until 40-50, and has poor treatment options.
July 2025 in “SKIN The Journal of Cutaneous Medicine” Most patients with alopecia areata see significant hair regrowth within 93 days of starting ritlecitinib treatment.
November 2023 in “Clinical, Cosmetic and Investigational Dermatology” A man's rash caused by Finasteride improved after stopping the drug and starting new treatments.
October 2022 in “International journal of dermatology and venereology” A woman's sudden hair loss was linked to azathioprine use despite normal enzyme levels, and improved after stopping the drug and starting treatment.
August 2022 in “RECISATEC” Female pattern hair loss is common, often starts in the 30s or 40s, worsens after menopause, and can negatively affect quality of life.
Hair loss after COVID-19 is common, starts sooner in severe cases, and often comes with scalp pain.