60 citations
,
September 2010 in “Journal of the American Academy of Dermatology” Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.
7 citations
,
May 2019 in “British Journal of Dermatology” Transgender and nonbinary individuals experience hair loss, with transmen on testosterone seeing more severe hair loss, while feminizing hormones may stabilize hair loss in transwomen.
2 citations
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January 2009 in “Journal of Drug Delivery Science and Technology” Minoxidil in distearyldimethylammonium chloride vesicles significantly promotes hair growth, while minoxidil in microparticles or poloxamer solutions doesn't.
August 2025 in “Nutrition and Health” Eating foods rich in vitamin D and iron helps prevent hair loss, while alcohol and sugary drinks can cause it.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
4 citations
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July 2021 in “Dermatology and therapy” Hormone therapy increases facial and body hair in transgender men, while hair removal improves well-being in transgender women, but cost is a barrier as insurance often doesn't cover it. Dermatologists can use various treatments for these hair issues.
2 citations
,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
December 2023 in “Journal of Cosmetic Dermatology” The hair growth product was effective and safe, increasing hair growth, thickness, and density while reducing hair fall.
January 2013 in “IRIS UNIMORE (University of Modena and Reggio Emilia)” Hydrophobized silica nanoparticles penetrate the skin's outer layer more effectively, while hair follicle density doesn't impact their accumulation.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
April 1998 in “Journal of women's health” Hair loss in women is often due to hereditary conditions or stress, and while treatments like minoxidil can help, diagnosis and management require medical guidance.
37 citations
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
12 citations
,
July 1958 in “Journal of Endocrinology” Cortisone suppresses hair regrowth, especially undercoat hair, while adrenalectomy affects hair growth differently in rabbits and rats.
1 citations
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January 2004 in “PubMed” NGF and minoxidil promote hair growth, while 17 beta-E2 inhibits it.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The polyherbal hair oil is safe, effective, and promotes hair growth while reducing dandruff and hair fall.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The polyherbal hair oil is safe, effective, and promotes hair growth while reducing dandruff and hair fall.
May 2023 in “Vestnik dermatologii i venerologii” Early-stage male pattern baldness shows two types of hair loss: one on the top of the head linked to hormonal changes, and another at the back of the head. The top hair loss responds well to specific treatment, while the back hair loss does not.
59 citations
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March 2003 in “The Lancet” Imatinib can repigment grey hair, while SU11428 can cause temporary hair depigmentation.
50 citations
,
November 2020 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
32 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” 17-β-Estradiol applied to the skin stops hair growth, while ICI 182 780 helps hair grow in mice.
23 citations
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May 1998 in “Journal of Dermatological Science” Insulin or IGF-I is needed for hair growth in newborn mice, while minoxidil helps adult mouse hair grow, suggesting a way to study human hair loss.
13 citations
,
September 1976 in “Archives of Environmental Health An International Journal” Bushman women have higher iron and zinc levels, while American mothers have more copper.
12 citations
,
December 1981 in “Journal of Endocrinology” α-MSH increases melanin production in moulting hair follicles, while AVT inhibits it.
10 citations
,
February 2019 in “Journal of cellular physiology” TGF-β2 helps yak hair follicles enter the regression phase, while HSP70 tries to prevent it.
9 citations
,
January 2021 in “BioMed research international” Human hair-derived particles can effectively carry and release the cancer drug Paclitaxel in a pH-sensitive manner, potentially targeting cancer cells while sparing healthy ones.
6 citations
,
May 2004 in “Facial Plastic Surgery Clinics of North America” By 2004, Follicular Unit Transplantation (FUT) was the most effective method for surgical hair restoration, while the newer Follicular Unit Extraction (FUE) had more disadvantages and was less recommended.
6 citations
,
April 1989 in “Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms” Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.
4 citations
,
April 2000 in “Plastic and Reconstructive Surgery” The document suggests fixing common hair transplant issues by combining artistic principles with plug reduction, recycling, and additional micrograft transplantation, while also potentially using arnica to help with post-operative swelling.
1 citations
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June 2022 in “Journal of Plastic Reconstructive and Aesthetic Surgery” Hair restoration surgeons have a 15% yearly risk of being sued, and while they often win, the process is stressful and costly.
High concentrations of retinoic acid kill hair follicle stem cells, while low concentrations may help treat skin diseases.