November 2024 in “International Journal of Cosmetic Science” Haircare products with a pH between 5 and 7 are best for maintaining healthy hair.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
March 2024 in “Bioimpacts” 400 nm particles penetrate hair follicles best, but mouse models aren't fully reliable for human studies.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
January 2018 in “프로그램북(구 초록집)” Ceramide-based essence cream improves damaged hair.
February 2017 in “International Journal on Advanced Science, Engineering and Information Technology” Human hair follicle stem cells can grow and turn into skin cells on chitosan templates, which may help in regenerative medicine.
Oxidized hair can naturally regain strength and stability over six months.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
Monegy, a mix of certain plant extracts, may promote hair growth and repair.
The scant hair in snthr-1Bao mice is likely caused by a deletion affecting the Plcd1 gene.
Otter rabbit, mink, and blue fox fur can be identified by their unique hair structures.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
March 2005 in “Journal of the American Academy of Dermatology” Adding amino acids to damaged hair can improve its strength and appearance.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
August 2000 in “Microscopy and Microanalysis” The method successfully visualizes iodine in biological tissues.
3 citations
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February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
Chemical treatments weaken hair's thermal stability and structure.
101 citations
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July 1985 in “Journal of the American Academy of Dermatology” Biotin improved hair growth and combability in one child with uncombable hair syndrome.
56 citations
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June 2015 in “Nature Protocols” Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.
49 citations
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April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
46 citations
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January 2009 in “Textile Research Journal” Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.
33 citations
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September 2018 in “Frontiers in Microbiology” Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
28 citations
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June 1991 in “Veterinary Dermatology” Black and white Saluki dogs have a unique hair loss condition different from Doberman pinschers.
13 citations
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March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
11 citations
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July 1988 in “International Journal of Dermatology” The study found that using 2% minoxidil solution can help grow hair and is safe.
8 citations
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August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
2 citations
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August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific mutation in the K25 gene causes a rare genetic disorder with curly hair at birth and later hair loss, along with dental issues.
2 citations
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March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
1 citations
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February 2025 in “Scientific Reports” The method effectively analyzes skin tissue changes, especially in the arrector pili muscle and nerve fibers with hair follicles.