Rapid weight loss can cause temporary hair loss, but hair usually grows back.
Pregnancy and hormonal contraceptives can cause temporary hair loss on the scalp and increased hair growth on the face and body.
April 2020 in “Journal of The American Academy of Dermatology” Microneedling with platelet-rich plasma can cause temporary, painful lymph node swelling in some patients.
49 citations
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June 2004 in “Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences” Human hair becomes weaker and stretches more easily at higher temperatures.
28 citations
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January 2021 in “Skin appendage disorders” COVID-19 may cause early hair loss similar to classic temporary hair loss, with further research needed.
26 citations
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June 2012 in “The Journal of Obstetrics and Gynecology of India” Most skin changes during pregnancy are harmless and temporary, but some can risk the fetus and need careful treatment.
25 citations
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October 2005 in “PubMed” Keratin 19 expression in certain skin cells is temporary and not a reliable stem cell marker.
20 citations
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January 1946 in “Journal of Dairy Science” Feeding calves skim milk and soybean oil caused temporary hair loss, which improved with hay or grain.
18 citations
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January 2009 in “Acta neurologica Scandinavica” Long-term sodium valproate treatment for epilepsy generally caused mild and temporary side effects.
13 citations
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March 1983 in “International Journal of Dermatology” Minoxidil caused red hair to grow on a man's temples.
10 citations
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June 2014 in “Journal of Pharmacy and Pharmacology” Germacrone in Curcuma aeruginosa extract degrades at high temperatures but is stable in certain solutions and unaffected by pH levels.
8 citations
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December 2003 in “Experimental Dermatology” Altering the keratin 17 gene in mice hair follicles caused temporary hair issues, but changes were minimal and short-lived.
7 citations
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September 2018 in “Aesthetic surgery journal” Deoxycholic acid effectively reduces double chin fat with temporary side effects and high patient satisfaction.
7 citations
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January 2015 in “International Journal of Trichology” Applying minoxidil on the scalp after mesotherapy injections caused temporary swelling.
5 citations
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June 2019 in “JAAD Case Reports” Imiquimod used intravaginally for cervical issues can cause temporary hair loss, especially if severe side effects occur.
5 citations
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September 1991 in “Veterinary dermatology” Pygmy goats with seborrhoeic dermatitis showed skin symptoms and temporary improvement with corticosteroids, but the cause and inheritance of the disease remain unknown.
4 citations
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October 2006 in “Anais Brasileiros de Dermatologia” Contact dermatitis treatment for alopecia areata can lead to temporary hair loss.
4 citations
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January 2016 in “Dermatology online journal” Using bacitracin zinc and selenium sulfide one after the other can temporarily turn white hair yellow.
3 citations
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August 2018 in “Deleted Journal” Guasha changed rat skin appearance and blood vessels temporarily without affecting certain nerve proteins or fiber structure.
3 citations
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January 2014 Green tea extract hair tonic is stable at room temperature, promotes hair growth better than minoxidil, and is safe for use.
2 citations
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November 1978 in “JAMA” Valproic acid is an effective seizure medication with some temporary side effects.
1 citations
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May 2024 in “PLoS ONE” Horse hair follicles can be stored at cool or room temperature for a week without losing RNA quality.
May 2017 in “Neurologie pro praxi” Hair loss from multiple sclerosis treatments is usually temporary.
October 2013 in “European Orthopaedics and Traumatology” A woman's hair grew back within 3 months after temporary hair loss from improper head positioning during shoulder surgery.
February 2026 in “International Journal of Molecular Sciences” Removing Lrig1-positive cells in mice leads to temporary loss of sebaceous glands.
October 2025 in “International Journal of Advanced Multidisciplinary Research and Studies” Hairless dogs have unique skin adaptations to regulate temperature and protect against environmental factors.
October 2025 in “Brazilian Journal of Hair Health” Hair loss from weight-loss treatments is usually temporary and reversible.
January 2025 in “Animal Science Journal” Golden takin's hair structure is adapted to maintain body temperature in harsh winters.
October 2024 in “Annals of Allergy Asthma & Immunology” Anaphylaxis from cow's milk allergy can cause temporary hair loss in children.
February 2024 in “Medicina-lithuania” Obesity and bariatric surgery can cause hair thinning and temporary hair loss due to nutritional deficiencies and stress.