September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
4 citations
,
March 2008 in “Korean Journal of Chemical Engineering” Mesenchymal cells can significantly boost human hair growth and longevity.
Aluminum phosphide poisoning can cause horizontal nail grooves and hair loss.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Researchers created an efficient method to extract DNA from marmoset hair, reducing blood chimerism.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
57 citations
,
March 2011 in “The American Journal of Dermatopathology” Chemotherapy can cause permanent, non-reversible hair loss similar to pattern baldness.
1 citations
,
December 2022 in “JAMA Dermatology” The AI system HairComb accurately scores hair loss severity, matching dermatologist assessments.
272 citations
,
September 2001 in “Journal of Biological Chemistry” Human hair keratins were cataloged, showing their roles in hair differentiation stages.
The method effectively measures hair elasticity and could be useful in forensics.
April 2018 in “Journal of Investigative Dermatology” Fat under the skin can help hair grow longer, darker, and increase cell growth.
1 citations
,
October 1978 in “The Journal of Pediatrics”
September 2022 in “Journal of Cosmetic Dermatology” Hair casts may be a useful clue for diagnosing hair loss during the resting phase of hair growth.
September 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Scientists successfully created fully functional hair follicles using bioengineering methods and stem cells.
11 citations
,
January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
2 citations
,
January 2010
September 2023 in “Biomedicines” Squalene may be a marker for certain types of alopecia.
5 citations
,
January 2004 in “Annals of Dermatology” People with androgenetic alopecia (AGA) have lower hair density and more single-hair units compared to those with normal scalps.
2 citations
,
May 2022 in “Clinical, Cosmetic and Investigational Dermatology” Trichoscopy and pathological examination both have unique benefits and cannot completely replace each other in evaluating hair.
September 2007 in “PubMed” Implanted human scalp cells can regenerate hair-like structures in mice.
3 citations
,
September 2024 3DEEP reveals early hair follicle stem cell formation and niche establishment before hair bulb development.
21 citations
,
October 2011 in “PloS one” Certain molecules in hair change with age and could be used for cosmetic treatments.
June 2012 in “International journal of scientific research” Hair follicles in androgenetic alopecia show no chemical changes, only size reduction.
May 2003 in “Journal of Investigative Dermatology” The meeting covered advances in understanding hair growth, causes of hair loss, and potential treatments.
124 citations
,
April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
3 citations
,
July 2024 in “Dermatology and Therapy” Hair shaft abnormalities can help distinguish mycosis fungoides from other skin conditions.
September 2025 in “Frontiers in Genetics” The method effectively extracts high-quality DNA from marmoset hair, avoiding blood chimerism.
21 citations
,
January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.