Hair feels different when touched and rubs together in various ways.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
16 citations
,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
37 citations
,
May 2021 in “Frontiers in Cell and Developmental Biology” Ng2+ perivascular cells in mouse skin come from specific fibroblast types and help in tissue repair.
April 2023 in “Journal of Investigative Dermatology” CD8+ T cells attack hair follicle stem cells, causing scarring and hair loss.
4 citations
,
May 2020 in “The journal of pediatrics/The Journal of pediatrics” A boy with monilethrix has brittle hair that breaks easily due to a genetic condition, which might improve by puberty.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A girl with Becker naevus syndrome has a genetic variant in the ACTB gene related to her symptoms.
July 2025 in “Journal of Investigative Dermatology” Complex basal cell carcinomas need personalized treatment due to unique genetic mutations.
396 citations
,
May 2011 in “Cell stem cell” Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.
July 2024 in “Journal of Investigative Dermatology” Certain substances can help skin cells become anti-inflammatory, aiding in tissue repair.
12 citations
,
May 2013 in “International Journal of Molecular Sciences” Stem cells from elderly skin can become neurons, offering potential for brain therapy.
65 citations
,
December 2000 in “PubMed” The biology of skin and hair is complex and not fully understood.
77 citations
,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
April 2025 in “Cellular and Molecular Biology” Human dermal stem/progenitor cells can divide and differentiate more than hair follicle dermal papilla cells.
March 2025 in “Frontiers in Cell and Developmental Biology” Improving nerve and immune interactions may help heal chronic wounds.
10 citations
,
June 2021 in “EMBO reports” When skin blisters, healing the wound is more important than growing hair, and certain stem cells mainly fix the blisters without helping hair growth.
1 citations
,
March 2014 in “Journal of Innovative Optical Health Sciences” Hair structure worsens as tumors grow in mice.
27 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”
October 2025 in “Clinical Cosmetic and Investigational Dermatology” Targeting specific cell interactions may help treat skin fibrosis.
14 citations
,
February 2021 in “Experimental Dermatology” Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.
5 citations
,
December 2022 in “Toxins” Neurotoxins can affect neurotransmitter release and have potential in treating muscle, pain, and cancer conditions, but more research is needed on how they work.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Neutrophil extracellular traps slow down hair follicle healing after injury.
6 citations
,
August 2006 in “Journal of Cutaneous Pathology” Two teenage brothers had a rare, treatment-resistant form of female-pattern hair loss with unusual scalp changes.
1 citations
,
January 2015 in “Indian Journal of Veterinary Pathology” Two dogs had different types of hair follicle tumors.
71 citations
,
January 2012 in “PloS one” The conclusion is that genetic differences affect how the cochlea heals after hair cell loss, which may challenge the creation of hearing loss treatments.
1 citations
,
February 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Lymphatic vessels are essential for hair follicle regeneration and growth.
January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
June 2026 in “Institutional Repositories DataBase (IRDB)” Crickets have genetically controlled hair plates that help them sense and move their antennae.
87 citations
,
August 1974 in “Journal of Investigative Dermatology”
November 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Scientists made a mouse that shows how a specific protein in the skin changes and affects hair growth and shape.