April 2022 in “Journal of Investigative Dermatology” Androgenetic alopecia causes hair thinning due to increased androgen activity, treatable with minoxidil and finasteride.
October 2022 in “International Journal of Research in Dermatology” Hormonal imbalances contribute to female hair loss, and trichoscopy is a useful diagnostic tool.
29 citations
,
October 2020 in “eLife” Higher testosterone levels can increase the risk of certain diseases like type 2 diabetes in women and prostate cancer in men, but can also protect against autoimmune diseases and hair loss. It also affects body fat and bone density.
26 citations
,
December 1999 in “Journal of Investigative Dermatology” Certain genes are linked to wool follicle structure and function, but not hair cycle regulation.
1 citations
,
November 2021 in “American Journal of Clinical Pathology” The conclusion is that certain physical signs in the body can indicate past acute and chronic stress, which may help in child abuse investigations.
February 2026 in “Journal of the American Academy of Dermatology” Ophiasis mainly affects females, lasts longer, and has lower regrowth rates, with a new classification system helping predict treatment response.
71 citations
,
January 2016 in “International Journal of Trichology” Biotin deficiency is not a major cause of hair loss in women, so biotin supplements are not likely to be an effective hair loss treatment.
3 citations
,
November 2021 in “Clinical, Cosmetic and Investigational Dermatology” Autologous cellular micrografts improve hair density and thickness in the short term for androgenetic alopecia.
3 citations
,
January 2017 in “Indian journal of health sciences and biomedical research KLEU” Low iron levels are significantly linked to hair loss in women.
2 citations
,
January 2023 in “BioMed Research International” Beetroot extract nanogel may help treat hair loss caused by testosterone.
1 citations
,
November 2021 in “Ultrasonography” Ultrasound boosts finasteride's hair growth effects in mice.
August 2024 in “Cosmetics” Peanut callus extract helps grow hair and prevent hair loss.
1 citations
,
December 2024 in “Cosmoderma” Nyumi Happy Hair Gummies significantly improved hair growth, reduced hair fall, and enhanced nail health without side effects.
March 2024 in “Journal of Evidence-Based Integrative Medicine” Teak leaf extract may effectively and safely promote hair growth in males with androgenic alopecia.
January 2023 in “Book of Abstracts” COVID-19 can cause different types of hair loss, with telogen effluvium being the most common.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
AGA causes permanent hair loss; women use 2% minoxidil, men use 1 mg finasteride daily.
April 2008 in “Blackwell Publishing Ltd eBooks” AGA causes permanent hair loss; minoxidil helps men, finasteride helps men, minoxidil somewhat helps women, estrogens/antiandrogens lack evidence for women.
226 citations
,
September 2001 in “Journal of The American Academy of Dermatology” Hair loss in women is genetic, diagnosed by examination and biopsy, and treated with minoxidil, finasteride, or transplantation.
85 citations
,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
19 citations
,
August 1993 in “Journal of Cutaneous Pathology” Alopecia causes smaller hair follicles and affects growth-related structures.
1 citations
,
April 2015 in “Current problems in dermatology” The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.
57 citations
,
October 2018 in “Journal of The American Academy of Dermatology” Platelet-rich plasma treatment can significantly increase hair count and density in men with pattern baldness, and these improvements can last up to 3 months.
70 citations
,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
30 citations
,
December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
22 citations
,
September 2014 in “Veterinary Dermatology” Low-level laser therapy seems to help dogs with noninflammatory alopecia grow hair back.
20 citations
,
December 1997 in “Clinical Endocrinology” Spironolactone may help reduce hair loss in androgenic alopecia.
18 citations
,
November 2014 in “Journal of Agricultural and Food Chemistry” Brazilian propolis was found to speed up hair growth in mice by increasing the growth of skin cells that form hair.
16 citations
,
November 2013 in “European Journal of Dermatology” Hair gets thinner and grayer with age, and density decreases more in men on top and in women on top and back.
15 citations
,
May 2019 in “PLOS ONE” Substances from dental stem cells might help treat hair loss.