September 1997 in “Journal of The European Academy of Dermatology and Venereology” Examining scalp tissue under a microscope helps diagnose and understand hair loss diseases.
44 citations
,
June 2009 in “Biomaterials” Skin cell clumping for hair growth is improved by a protein called fibronectin, which helps cells stick and move better.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
2 citations
,
November 1996 in “PubMed” Most people have similar hair protein patterns, but a rare variant was found in two women.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
10 citations
,
July 2017 in “Archives of Plastic Surgery” Hair thickness decreases from the upper to lower areas of the back of the head, affecting hair transplant results.
1 citations
,
May 2020 in “Journal of The American Academy of Dermatology” The authors agree more research with proper control groups is needed to understand hair loss.
9 citations
,
November 2004 in “SKINmed Dermatology for the Clinician” A man with hair loss developed a condition causing scarring and inflammation in both bald and non-bald areas of his scalp.
13 citations
,
January 2019 in “Skin appendage disorders” FAPD is a possible diagnosis for hair loss in patients of color and requires multiple evaluations for accurate diagnosis.
43 citations
,
August 2008 in “Regenerative Medicine” Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.
March 1995 in “The Journal of Dermatology” Immature hair cells can grow and change into different types of hair cells over time.
1 citations
,
May 2021 in “International Journal of Dermatology” Long hair follicular unit excision is effective for hair transplants, providing quick, natural-looking results with less pain but needs more time, staff, and skill.
6 citations
,
January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
9 citations
,
July 2013 in “Experimental Dermatology” Aging reduces the ability of human hair follicle cells to form new cell colonies.
5 citations
,
September 1997 in “Dermatologic Surgery” Dr. Russell Knudsen's system classifies hair grafts by class, shape, and size for clearer communication in hair restoration surgery.
11 citations
,
March 2016 in “Cell cycle/Cell cycle (Georgetown, Tex. Online)” Old hair follicles grew better when moved to a young environment.
6 citations
,
December 2013 in “Journal of Cutaneous Pathology” Certain immune cells are more common on the top of the head and might help predict or treat common hair loss.
61 citations
,
April 1969 in “Archives of Dermatology” Skin biopsy is crucial for diagnosing unknown baldness causes.
Dissecting cellulitis and folliculitis keloidalis cause intense inflammation without bacterial infection.
2 citations
,
May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
September 2023 in “Skin Research and Technology” The paper suggests a way to diagnose male hair loss and check treatment results using a dermoscope at four specific scalp points.
December 2021 in “Pathologica” Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.
231 citations
,
December 1999 in “Journal of Investigative Dermatology” Hair follicle size is mainly influenced by the number of cells and extracellular matrix volume, with cell number having a larger impact.
Moderate immune responses help hair growth, while excessive responses slow it down.
9 citations
,
April 2017 in “International Journal of Dermatology” Different areas of the scalp have varying hair thickness, useful for different types of hair transplant needs.
April 2017 in “Journal of Investigative Dermatology” Stem cells can create hair follicles, potentially treating permanent hair loss, and healthy skin and hair depend on mitochondrial function and special fats.
26 citations
,
January 1964 in “Experimental Cell Research” June 2022 in “Our Dermatology Online” Trichoscopy is essential for early detection and monitoring of female-pattern hair loss.
June 2017 in “Mechanisms of development” Hox genes control hair follicle stem cell regeneration in different body regions.