Certain chemicals and drugs can cause hair loss.
37 citations
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January 1980 in “PubMed” Hair lotions with 17 alpha-estradiol can reduce hair loss but won't regrow new hair.
31 citations
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August 2001 in “PubMed” TrichoScan accurately measures hair growth and showed improved hair counts and thickness after finasteride treatment.
22 citations
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July 2006 in “Annals of The Royal College of Surgeons of England” Hair or fiber wrapped tightly around a toe can lead to serious injury if not treated quickly.
16 citations
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August 1989 in “PubMed” Retinol and L-cystine improve diffuse hair loss without side effects.
14 citations
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January 2016 in “International Journal of Trichology” Many women with hair loss also have thyroid issues, high blood pressure, and low Vitamin D.
8 citations
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January 2022 in “Cureus” A man's hair grew back to almost normal 7 months after COVID-19 without needing treatment.
7 citations
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May 2013 in “PubMed” A new hair loss treatment with two unique ingredients improved hair growth.
6 citations
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May 2022 in “Frontiers in Medicine” The study suggests pandemic stress might worsen or trigger hair loss problems.
6 citations
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December 2019 in “BMC Complementary and Alternative Medicine” Alcohol extract from Vernonia anthelmintica seeds may help treat stress-related hair loss.
5 citations
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March 2025 in “Pediatric Dermatology” Alopecia areata in children is caused by the immune system attacking hair follicles due to genetic factors.
4 citations
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May 1999 in “PubMed” Some medications can cause reversible hair loss by affecting hair growth cycles.
2 citations
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January 2022 in “Clinical, Cosmetic and Investigational Dermatology” The refined wash test is a reliable way to measure daily hair loss and can tell the difference between different types of hair loss.
1 citations
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February 2026 in “Clinics in Dermatology” Vitamins help hair mainly if you have a deficiency; too much can cause hair loss.
1 citations
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November 2022 in “Experimental cell research” Prostaglandin E2 collagen matrix may help stimulate hair growth.
April 2026 in “BMC Biotechnology” A new peptide, DualPep-ALO, may help hair growth by reducing inflammation and boosting growth factors.
February 2026 in “Bioengineering” Hyperbaric oxygen therapy may improve hair and scalp health.
February 2026 in “Preprints.org” Hyperbaric oxygen therapy may improve hair growth and scalp health.
January 2026 in “Current Issues in Molecular Biology” FGF-7 helps hair grow by activating hair follicles and is a promising target for hair loss treatments.
July 2025 in “International Journal of Trichology” Hair shedding increases at the end of summer due to seasonal changes.
June 2025 in “Journal of the Faculty of Medicine Baghdad” Clove oil may help hair growth like minoxidil, but more human tests are needed.
February 2025 in “The Open Dermatology Journal” Many COVID-19 survivors, especially women, experience hair loss and skin color changes, needing specific post-recovery care.
January 2025 in “International Journal of Trichology” Pattern hair loss is the most common type of alopecia.
October 2024 in “Frontiers in Nutrition” Vitamin D deficiency is common in people with certain types of hair loss, like alopecia areata and female pattern hair loss.
September 2024 in “Journal of the American Academy of Dermatology” Fractional and excimer lasers effectively treat various types of alopecia and promote hair growth.
July 2024 in “Journal of Investigative Dermatology” Topical thyroid hormones may boost hair growth.
Applying thyroid hormones to the scalp can help hair grow.
February 2024 in “Biomedicines” Hormones like androgens, estrogen, thyroid hormones, and stress hormones can contribute to hair loss, and treatments target these hormonal imbalances.
January 2024 in “Aging medicine” A COVID-19 infected patient with chronic kidney disease experienced worsened kidney function, hair loss, and unexpected wart clearance.
January 2024 in “Journal of Cosmetics, Dermatological Sciences and Applications” Injecting a peptide-hyaluronic acid mix improved hair growth in men with hair loss and was safe.