24 citations
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September 2012 in “Dermatologic Surgery” The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.
5 citations
,
October 1984 in “The BMJ” Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.
1 citations
,
April 2023 in “American Journal of Clinical Dermatology” Chronic telogen effluvium may not be a unique condition and could be confused with other types of hair loss.
May 2025 in “Clinical Cosmetic and Investigational Dermatology” Wheat extract supplements reduce hair shedding and improve growth in women with hair loss.
11 citations
,
May 1976 in “Archives of Dermatology” Starving yourself can cause hair loss, but stopping the diet can improve it.
8 citations
,
December 2015 in “PubMed” Phyllanthus niruri extract may help treat hair loss by promoting hair growth and blocking a hair loss-related enzyme.
April 2023 in “Journal of Investigative Dermatology” Cinchona succirubra extract with caffeine improves hair growth and reduces hair loss.
August 2019 in “Journal of The American Academy of Dermatology” RV3466F lotion significantly reduces hair loss and improves acute telogen effluvium.
11 citations
,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
9 citations
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January 2018 in “BioMed Research International” Tetrahydroxystilbene Glucoside may help prevent hair loss by blocking certain pathways that lead to cell death.
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.
18 citations
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January 2007 in “Pharmaceutical Biology” Citrullus colocynthis extract is effective for hair growth, comparable to minoxidil.
7 citations
,
September 2014 in “Beni-Suef University Journal of Basic and Applied Sciences” Cuscuta reflexa extracts and an isolate promoted hair growth and could be natural treatments for hair loss.
27 citations
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February 2017 in “Biomedicine & Pharmacotherapy” White wax and policosanol from white wax effectively reduced hair loss and promoted hair growth in mice better than a known hair growth drug.
13 citations
,
January 2014 in “PubMed” Adiantum capillus-veneris Linn reduced hair loss and improved hair growth in mice with testosterone-induced alopecia.
6 citations
,
October 2018 in “Dermatologic Surgery” PRP therapy helps slow hair loss and increases hair thickness.
October 2025 in “International Journal of Research in Dermatology” The Ayurvedic treatment improved hair growth and reduced hair loss safely.
June 2025 in “Journal of the Faculty of Medicine Baghdad” Clove oil may help hair growth like minoxidil, but more human tests are needed.
August 2024 in “Cosmetics” Peanut callus extract helps grow hair and prevent hair loss.
Higher PD-1 levels mean fewer CD8+ T cells in alopecia areata hair follicles.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
The document concludes that measuring hair density, shaft diameter, growth rate, and anagen:telogen ratio is important for assessing hair growth treatments.
July 2024 in “Journal of Investigative Dermatology” Ashwagandha nanoparticles help hair grow by increasing a growth factor.
October 2023 in “Research Square (Research Square)” Polynucleotide gel injections help reduce hair loss and increase hair thickness in people with pattern hair loss, with few side effects.
32 citations
,
October 2009 in “Dermatology” Telogen effluvium is a hair loss condition with acute cases resolving quickly and chronic cases potentially lasting longer, sometimes requiring treatment.
Hair loss is caused by hormonal changes that shorten hair growth phases and shrink hair follicles.
November 2025 in “Journal of Clinical Medicine” The drinkable supplement reduced hair shedding and increased hair growth in women.
6 citations
,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
Amaranthus extract cream safely boosts hair growth in men with hair loss.
2 citations
,
January 2019 in “Journal of Cosmetics, Dermatological Sciences and Applications” The supplement and lotion significantly reduced hair loss and improved hair health.