January 2023 in “Open Life Sciences” VEGFR-2 activation is likely involved in hair follicle growth, survival, and development.
March 2016 in “Institutional Repositories DataBase (IRDB)” Collagen peptides may promote hair growth by activating certain genes in the skin.
45 citations
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June 2016 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Silicon can improve skin and hair health, but more research is needed.
1 citations
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October 2024 in “FARMACIA” Low levels of zinc and selenium in the body are linked to a higher risk of cataracts.
March 2021 in “International journal for research in applied science and engineering technology” Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.
A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
7 citations
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December 2008 in “Journal of Dermatological Science” Progranulin overexpression leads to shorter, thinner hair and increased cell death in mouse hair follicles.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
23 citations
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November 2015 in “Phytotherapy Research” Certain herbal compounds, especially from bitter melon, can inhibit cancer growth and promote hair growth by blocking PAK1.
7 citations
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July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
May 2026 in “Frontiers in Pharmacology” Dendrobium officinale polysaccharide helps hair regrowth in hair loss mice by affecting local steroid metabolism and hair follicle responses.
Certain chemicals and drugs can cause hair loss.
57 citations
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September 2005 in “International Journal of Dermatology” Frequent use of chemical hair relaxants is linked to increased scarring hair loss in Nigerian women.
November 2025 in “Repositorio Comunidad Politecnico Grancolombiano” Milagros enterprise Group S.A.S. plans to expand globally by exporting its Professional Intensive Repair Mask to Mexico, France, and the U.S.
9 citations
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January 2010 The herbal hair dye is a safe and eco-friendly alternative to conventional dyes.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
73 citations
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October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
25 citations
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August 2015 in “Journal of cosmetic dermatology” African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.
38 citations
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January 2002 in “Biological & Pharmaceutical Bulletin” Lygodii Spora extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
April 2025 in “Brazilian Journal of Hair Health” The Extra Gentle brush reduces hair breakage and soothes sensitive scalps.
April 2025 in “International Journal of Homoeopathic Sciences” A 7-year-old boy's hair regrew and his well-being improved after homeopathic treatment for alopecia areata.
December 2023 in “International Journal For Multidisciplinary Research” Indian medicinal plants can help with hair growth and common hair issues.
5 citations
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April 2023 in “Journal of Multidisciplinary Healthcare” Hair selenium levels can indicate nutritional status in very old people.
Hormonal treatments can help with hair loss, acne, and excess hair growth, but it takes 3-6 months to see results and patients should know the possible side effects.
July 2025 in “Scientific Reports” Fermented grapeseed oil effectively repairs and protects chemically damaged hair.
8 citations
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March 2019 in “Progress in Human Geography” Hair significantly shapes body identity and social interactions, influencing how we perceive and relate to our bodies.
42 citations
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January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
July 2018 in “Elsevier eBooks” The most common cause of hair loss in children is tinea capitis, followed by alopecia areata and telogen effluvium.
13 citations
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November 2012 in “International Journal of Dermatology” Curly hair breaks more easily, especially with chemical treatments, but simpler grooming reduces breakage.
61 citations
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April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.