45 citations
,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
71 citations
,
June 2005 in “Journal of Investigative Dermatology” PAD enzymes play a key role in hair growth and structure.
Daily hair care may cause holes in hair fibers.
82 citations
,
November 1959 in “Annals of the New York Academy of Sciences” 43 citations
,
April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
37 citations
,
January 1997 in “Journal of Pharmaceutical Sciences” Hairless rats absorb substances through their skin more easily than hairy rats.
January 2006 in “Chinese Journal of Dermatology” Latanoprost helps pig hair follicles grow faster by keeping them in the growth phase longer.
15 citations
,
July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
February 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent spiny hair traits are due to genetic factors other than the Edar gene.
1 citations
,
August 2024 in “Transgenic Research” Activated β-catenin affects hair growth and skin thickness, and changes are reversible.
13 citations
,
January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
2 citations
,
July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
January 2016 in “프로그램북(구 초록집)” Hormones and neuropeptides affect hair growth, with androgens having opposite effects on beard and scalp hair.
26 citations
,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
4 citations
,
January 2019 in “Annals of dermatology/Annals of Dermatology” Changing hairstyles can help hair regrow in children with hair loss from tight braids or ponytails.
Neuropeptides affect hair growth and could be used to control it.
949 citations
,
January 2001 in “Cell” Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
5 citations
,
January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
2 citations
,
January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
1 citations
,
December 2021 in “Jurnal Insan Farmasi Indonesia” Pomade with 12% ethanol extract of Momordica charantia L. leaves promotes the most hair growth.
7 citations
,
January 2017 in “International Journal of Trichology” Chemotherapy and certain hair care practices can cause severe hair matting.
10 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” FP-1 is a key protein in rat hair growth, active only during the growth phase.
21 citations
,
December 1994 in “British Journal of Dermatology” Sheep dermal papillae can help form hair follicles in skin models.
4 citations
,
January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
September 2025 in “British Journal of Dermatology” January 2010 in “Journal of Yangzhou University” Sulfated fucans promote hair growth in mice by speeding up the growth phase and delaying the rest phase.
1 citations
,
January 2001 in “Journal of Toxicology-cutaneous and Ocular Toxicology” Hair follicles could be used to deliver drugs effectively, with the right understanding and methods.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.