January 1999 in “Journal of S C C J” Certain growth factors regulate hair growth cycles, male hormones affect hair cycles, and drugs like Minoxidil and Finasteride can stimulate hair growth and inhibit male pattern baldness respectively.
10 citations
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January 2002 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
2 citations
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January 1995 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Ethyl Carbitol is the best at preventing split ends in permed hair.
March 2024 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Hair becomes less stiff as we age because of a decrease in zinc, which is linked to lower levels of the protein TG3.
January 2017 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Sunlight and chemical treatments change hair's internal structure differently, needing specific care.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
233 citations
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February 2018 in “Polymers” Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.
109 citations
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April 2000 in “European Urology” Finasteride lowers risk of urinary issues and surgery by over 50% in 4 years.
60 citations
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December 2015 in “Clinical and experimental dermatology” Laser hair removal improves quality of life but emotional benefits decrease over time, suggesting more treatments are needed for lasting effects.
58 citations
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January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
24 citations
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July 1998 in “Journal of the South African Veterinary Association” Ringworm in dairy calves can spread to humans.
16 citations
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February 2022 in “Science Advances” Follistatin and LIN28B together improve the ability of inner ear cells in mice to regenerate into hearing cells.
15 citations
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March 2024 in “Journal of Clinical Medicine” Selumetinib causes skin and hair side effects in kids with NF1, affecting treatment and quality of life.
13 citations
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November 1995 in “European Archives of Oto-Rhino-Laryngology” 6 citations
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May 2023 in “International journal of molecular sciences” Collagen-enhanced mesenchymal stem cells significantly improve skin wound healing.
6 citations
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January 2023 in “International journal of molecular sciences” Mast cells and CD8 T cells interact closely in skin diseases, affecting each other's behavior and contributing to conditions like psoriasis and eczema.
5 citations
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August 2018 Plant extracts can benefit skin but must be safe and high-quality.
2 citations
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October 2021 in “JID innovations” Uterine leiomyomas don't significantly change gene expression in the scalp of people with Central Centrifugal Cicatricial Alopecia.
April 2026 in “Diagnostics” Parry–Romberg Syndrome can involve the brain even without obvious symptoms, and a new diagnostic framework is suggested for early detection.
January 2026 in “International Journal of Molecular Sciences” Hedgehog pathway inhibitors could be effective in treating melanoma.
January 2026 in “Frontiers in Medicine” Alopecia areata in Taiwan has a high disease burden and needs better research and diagnostic criteria.
April 2018 in “Journal of Investigative Dermatology” Watching, not removing, skin growths with moderate atypia and positive edges is okay; patients may get melanoma elsewhere, especially if they've had it before.
116 citations
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August 2010 in “Nature” Scientists turned rat thymus cells into stem cells that can help repair skin and hair.
52 citations
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August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
32 citations
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January 1990 in “Clinical Endocrinology” Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.
31 citations
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December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
25 citations
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June 2018 in “Journal of The American Academy of Dermatology” Genes linked to fibrosis are more active in people with central centrifugal cicatricial alopecia.
25 citations
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August 2015 in “International Journal of Cosmetic Science” Malva verticillata seed extract might help treat hair loss by activating hair growth signals in skin cells.
24 citations
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September 2023 in “Science Advances” Mettl3 is essential for normal tissue development and self-renewal by regulating gene expression.
15 citations
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July 2021 in “JAMA Dermatology” Androgenetic alopecia negatively affects quality of life and self-esteem, especially in women, but not depression.