July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists created a detailed map of gene activity in different parts of human hair follicles.
6 citations
,
February 2022 in “European journal of endocrinology” The method can measure multiple hormones in women's hair and may help identify hormone-related health issues.
11 citations
,
March 2001 in “Clinics in Dermatology” Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.
1 citations
,
August 1985 in “Proceedings annual meeting Electron Microscopy Society of America” SEM/EDX can analyze hair elements but struggles with trace elements, limiting its forensic use.
1 citations
,
February 2004 in “Medical Hypotheses” Certain cultural hair practices might cause baldness by affecting natural hair oils and stem cell delivery to hair follicles.
32 citations
,
September 1996 in “Archives of Dermatological Research” 6 citations
,
September 1996 in “Archives of Dermatological Research”
4 citations
,
November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.
Keratin peptides in hair may help identify gender and ethnicity, but more research is needed.
1 citations
,
August 1994 in “Journal of Cutaneous Pathology” Hair loss happens due to faster cell growth and fewer cells in affected follicles.
1 citations
,
July 2023 in “Journal of the European Academy of Dermatology and Venereology” Portraits show women's hairlines have moved forward over time, suggesting changes in the occurrence of frontal hair loss.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Researchers created an efficient method to extract DNA from marmoset hair, reducing blood chimerism.
34 citations
,
January 2016 in “Analytical Chemistry” A new method can quickly and accurately detect drugs in hair.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Researchers created an efficient method to extract DNA from marmoset hair, avoiding blood chimerism.
12 citations
,
February 2011 in “Zenodo (CERN European Organization for Nuclear Research)” Hair properties vary with age and ethnic origin.
13 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Human hair follicles can grow back.
32 citations
,
February 2018 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
7 citations
,
March 2003 in “Journal de Physique IV (Proceedings)” Calcium soaps are present in human hair and can be removed with acid.
January 2025 in “The Analyst” Calcium oxalate was found in human hair and could help detect certain health conditions.
3 citations
,
November 1999 in “Journal of Cutaneous Medicine and Surgery” Examining scalp biopsies in different ways helps better diagnose hair loss types.
12 citations
,
January 2015 in “Skin appendage disorders” Dermoscopy helps quickly identify hair breakage in people of African descent.
Human hair can effectively absorb arsenic from water.
6 citations
,
November 1988 in “Journal of the American Academy of Dermatology” The document concludes that hair analysis is not good for assessing nutrition but can detect long-term heavy metal exposure.
January 2018 in “Indian Dermatology Online Journal” Trichoscopy can help tell the difference between artificial hair fibers and other scalp artifacts.
November 2022 in “Innovation in aging” Older adults in Puerto Rico often couldn't be tested for hair cortisol due to refusal or lack of hair, with race and hair products affecting results.
12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
January 2024 in “Institutional Repositories DataBase (IRDB)” The method accurately measures steroid hormones in hair to study hormone dynamics related to hair loss.
2 citations
,
December 2022 in “International journal of molecular sciences” Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.