42 citations
,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
2 citations
,
October 2006 in “International Journal of Dermatology” Excessive blow-drying can cause "bubble hair," leading to hair loss and fragility, but improves when heat use is reduced.
7 citations
,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
3 citations
,
January 1994 in “Journal of Society of Cosmetic Chemists of Japan” Hair grows slower and thinner with age, but a test tonic improved growth in alopecia subjects.
6 citations
,
October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
8 citations
,
July 1997 in “Archives of Gerontology and Geriatrics”
8 citations
,
July 2012 in “Annals of biomedical engineering” Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.
5 citations
,
May 2004 in “Dermatologic Surgery” A hair restoration technique was introduced that mixes different types of hair groupings to reduce procedure time, limit damage, and potentially increase hair density, suggesting more hair can be transplanted than previously thought.
9 citations
,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
October 2022 in “Hair Transplantation” Digital imaging tools help accurately assess hair transplant candidates.
3 citations
,
February 2021 in “Journal of Cosmetic Dermatology” Long hair FUE, a hair transplant without shaving, is becoming more popular and surgeons should learn it.
1 citations
,
July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
November 2025 in “Journal of Investigative Dermatology” Disrupted cell interactions in hair follicles contribute to hair loss in androgenetic alopecia.
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” February 2019 in “Psychoneuroendocrinology” Hair samples can reliably show average long-term hormone levels in young women.
18 citations
,
January 2000 in “Journal of Adhesion Science and Technology” Modified artificial hair with collagen improves tissue adhesion and is safe for long-term use.
1 citations
,
May 2016 in “Journal of nature and science” The method successfully imaged hair follicles under the skin using iron nanoparticles.
32 citations
,
September 1996 in “Archives of Dermatological Research” 6 citations
,
September 1996 in “Archives of Dermatological Research”
December 2024 in “Problems of Biological Medical and Pharmaceutical Chemistry” Students from the Middle East and Moscow have different hair element levels due to their environments.
13 citations
,
December 1983 in “Canadian journal of zoology” Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
February 2024 in “JAAD International” Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.
October 2022 in “Hair Transplantation” Improper hair transplant techniques can lead to unnatural results, but practical solutions exist to fix them.
2 citations
,
September 2013 in “日本香粧品学会誌” Keratin films can measure hair heat damage.
Cross-section trichometry is an accurate method to measure hair loss and growth.
December 2025 in “Drug Testing and Analysis” Hair testing is crucial for forensic science and public health.