20 citations
,
August 2009 in “Journal of The European Academy of Dermatology and Venereology” Occipital scalp affects female hair loss; terminal/vellus ratio helps diagnose androgenetic alopecia.
71 citations
,
June 2005 in “Journal of Investigative Dermatology” PAD enzymes play a key role in hair growth and structure.
1 citations
,
February 2023 in “American Journal of Dermatopathology” Microscarring is found in both alopecia areata and pattern hair loss, suggesting a shared cause.
1 citations
,
August 2016 in “Dermatology - Open Journal” Mitochondria change shape to meet energy needs during cell movement.
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.
212 citations
,
September 2015 in “Journal of Investigative Dermatology” The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.
80 citations
,
November 2017 in “New Phytologist” Roots adapt to uneven environments by changing growth and gene expression.
July 2016 in “Journal of Cutaneous Medicine and Surgery” Receding hairlines in men are uneven, with the right side larger than the left.
13 citations
,
August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
3 citations
,
July 2018 in “Elsevier eBooks” Erosive pustular dermatosis of the scalp is a rare condition that causes scarring hair loss, mainly in older women, and requires ongoing treatment.
3 citations
,
May 2006 in “Dermatologic Surgery” Most men's multi-hair follicles naturally stand perpendicular to a line from the top of their head, which is important for natural-looking hair transplants.
June 1967 in “Journal of Cellular Physiology” The 3D hair follicle model improves understanding of hair growth and drug testing.
February 2024 in “Acta dermato-venereologica” This type of hair loss is probably often missed and treatments reducing inflammation might work well.
June 2023 in “Italian journal of dermatology and venereology” Trichoscopy effectively diagnoses allergic scalp contact dermatitis.
2 citations
,
January 1994 in “Journal of S C C J” The study concluded that certain hair growth measurements are good indicators of baldness severity and provide a more accurate assessment than subjective grading.
3 citations
,
April 2011 in “Journal of the American Academy of Dermatology” A 19-year-old man had a rare skin condition on one side of his face that looked like another skin disease.
April 2001 in “Dermatologic Surgery” Michael L. Beehner proposed a standardized naming system for balding scalp areas to help hair restoration surgery.
207 citations
,
September 1973 in “Entomologia Experimentalis et Applicata” B-type hairs on female butterfly legs help them choose where to lay eggs.
1 citations
,
October 2025 in “Nature Communications” Cell size controls when stem cells divide.
April 2025 in “Journal of Cosmetic Dermatology” The AI device accurately grades scalp exfoliation and can help diagnose scalp disorders.
27 citations
,
May 2004 in “Journal of Investigative Dermatology”
15 citations
,
September 2014 in “Journal of The American Academy of Dermatology” Seven patients were misdiagnosed with discoid lupus instead of lichen planopilaris due to similar symptoms, showing the need for careful diagnosis in scarring hair loss conditions.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that a key immune pathway protecting hair follicles is reduced in a mouse model of scarring hair loss.
421 citations
,
September 2003 in “Development” Stem cell behavior varies with stimuli, and lineage changes can happen without affecting stem cell division.
June 2025 in “British Journal of Dermatology” Lichen planopilaris may have a genetic link.
9 citations
,
April 1985 in “Archives of Dermatology” Recognizing the "bamboo hair defect" is crucial for diagnosing Netherton's syndrome.
208 citations
,
December 2003 in “Journal of Investigative Dermatology” Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.
1 citations
,
January 2023 in “Frontiers in Physiology” The method allows precise cell removal without harming nearby tissues.
July 2025 in “Journal of Investigative Dermatology” Scarring alopecia involves increased immune cells and specific gene changes near damaged hair follicles.
4 citations
,
November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.