October 2015 in “Cosmetic Dermatology” Hair styling products and tools help improve hair's look and manageability but can damage hair if used incorrectly.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
17 citations
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July 2019 in “Scientific reports” Surface and internal treatments can help prevent hair lipid loss during washing.
April 2025 in “Jurnal Inovasi Bahan Lokal dan Pemberdayaan Masyarakat” Varying propylenglycol affects the pH, specific gravity, and viscosity of wax apple leaf hair tonic, meeting Indonesian standards.
7 citations
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March 2005 in “International Journal of Cosmetic Science” Menopause reduces hair quality, but hormone therapy can help improve it.
1 citations
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January 2019 in “Archives of Clinical and Medical Case Reports” Changing hair's surface and structure can help protect its natural oils from being washed away.
2 citations
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February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
1 citations
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September 2022 Sugar waxing slows hair growth and reduces thickness but can cause more ingrown hairs and inflammation than hard waxing.
1 citations
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June 2006 in “Journal of Cosmetic Dermatology” Photoepilation may disrupt normal wound healing and increase the risk of scars.
67 citations
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April 2014 in “Biochemical Journal” Ceramide synthase 4 deficiency in mice leads to hair loss due to altered sebum lipids.
14 citations
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October 2018 in “PloS one” Deleting the Far2 gene in mice causes sebaceous gland issues and patchy hair loss.
6 citations
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April 2013 in “Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ” Most cats with ear infections recovered after treatment, especially Turkish Angora and Persian breeds.
April 2018 in “Journal of Investigative Dermatology” Mutations in Far2 mice cause hair loss due to sebaceous gland issues.
December 1986 in “Plastic and Reconstructive Surgery” Wax injection did not stop hair loss and caused changes to the skull.
April 2006 in “Dermatologic Clinics” White wax and its policosanol boost hair growth better than finasteride.
January 2025 in “Animal Science Journal” Golden takin's hair structure is adapted to maintain body temperature in harsh winters.
April 2016 in “Studies in Conservation” Balancing display and preservation of Robert Gober's wax legs is crucial.
463 citations
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September 2004 in “Clinics in dermatology” Effective acne treatments should reduce sebum, bacteria, and inflammation, with isotretinoin being the best for severe cases.
May 2018 in “Journal of Investigative Dermatology” Activating Wnt in skin cells controls the number of hair follicles by directing cell movement and fate.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
April 2018 in “Journal of Investigative Dermatology” Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.
182 citations
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December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.
67 citations
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October 1997 in “Dermatologic Surgery” The EpiLight Hair Removal System removed about 60% of hair with some side effects, and more research is needed to confirm long-term effectiveness.
33 citations
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March 2013 in “Journal of Investigative Dermatology” Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.
27 citations
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December 2001 in “Clinical and experimental dermatology” Different hair removal methods have pros and cons, and more evidence is needed to prove laser treatments work.
18 citations
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August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
February 2025 in “Plastic and Aesthetic Research” Minoxidil and finasteride effectively promote hair regrowth within 3 months.
August 2024 in “Journal of Home Economics Research” Female youths should consult dermatologists and avoid fake hair products to prevent hair damage.
July 1996 in “International Journal of Dermatology” The book "Hair Replacement" is a detailed guide on all methods of hair replacement, recommended for those interested in the field.