87 citations
,
October 1997 in “JAMA” Some vaccines might rarely cause hair loss, more research is needed.
7 citations
,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
Tissue from dog stem cells helped grow hair in mice.
Using scalp stem cells can improve hair transplants.
35 citations
,
February 2019 in “Cell Communication and Signaling” BMP6 and Wnt10b control whether hair follicles are resting or growing.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
4 citations
,
March 2019 in “Experimental Biology and Medicine” Exposure to 50 Hz electromagnetic fields may help mice grow hair faster.
March 2020 in “Central European Journal of Biology” The study found that stem cells and neutrophils are important for regenerating hair follicle structures in mice.
42 citations
,
July 2007 in “Journal of Biological Chemistry” Most Hairless gene mutations reduce its ability to work with the Vitamin D Receptor, which might explain a certain type of hair loss.
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.
1 citations
,
September 2023 in “Clinical, cosmetic and investigational dermatology” Certain genetic variants linked to immune response increase the risk of alopecia areata in Taiwanese people.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
1 citations
,
July 2018 in “Elsevier eBooks” Triple horizontal scalp biopsies are 98% accurate in diagnosing hair loss, better than single biopsies.
36 citations
,
January 2014 in “Elsevier eBooks” The skin is a complex barrier that protects the body, regulates temperature, and helps with immune responses.
11 citations
,
February 2011 in “The Journal of Dermatology” Mutations in the hairless gene cause a rare form of permanent hair loss.
28 citations
,
February 2010 in “Experimental Dermatology” The frizzy mouse and hairless rat mutations are due to changes in the Prss8 gene.
11 citations
,
April 2020 in “Life sciences” Pantothenic acid helps mink hair follicles grow by affecting certain cell signals.
26 citations
,
October 2012 in “Dermatologic Clinics” The document details hair transplantation techniques and innovations, highlighting Follicular Unit Transplantation as the standard and discussing the effectiveness and challenges of the procedure.
18 citations
,
March 2004 in “Clinics in Dermatology” Lupus can cause hair loss and nail changes, with treatments available for both.
28 citations
,
May 2019 in “Life Sciences” Ginsenoside Rb1 from Panax ginseng helps mink hair grow by activating certain cell signals.
19 citations
,
January 1997 in “Dermatologic Clinics” Most treatments for hair loss in 1997 were not effective for most people, and maintaining hair growth was difficult.
18 citations
,
September 2011 in “Livestock science” Maternal Nano-Se supplements improve fetal hair follicle development in cashmere goats.
14 citations
,
November 2005 in “Life sciences” Vitamin D3 may protect rat hair follicles from radiation damage.
5 citations
,
May 2020 in “Life science alliance” Removing integrin α3β1 from hair stem cells lowers skin tumor growth by affecting CCN2 protein levels.
3 citations
,
January 2025 in “Animal Genetics” Variants on chromosome 10 affect hair thickness in Dazu black goats.
February 2026 in “Journal of the American Academy of Dermatology” The combination of spironolactone and low-dose minoxidil is generally safe for treating hair loss in adult females, with mostly mild side effects.
14 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” Some nonsurgical hair loss treatments are effective, especially if started early.
90 citations
,
October 1996 in “Dermatologic Clinics” Growth factors are crucial for hair development and could help treat hair diseases.
63 citations
,
August 1996 in “Forensic Science International” Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.