53 citations,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
53 citations,
January 2007 in “Dermatology” Chemotherapy often causes patterned hair loss, with some scalp areas more resistant to hair loss than others.
53 citations,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
53 citations,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
53 citations,
May 1990 in “Journal of Dermatology” Minoxidil speeds up hair growth in rats without prolonging growth phase.
53 citations,
May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
52 citations,
September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.
52 citations,
May 2017 in “Journal of Cosmetic Dermatology” PRP injections improve hair density and thickness in women with hair loss.
52 citations,
May 2015 in “PLOS Genetics” miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.
52 citations,
April 2013 in “Developmental Cell” Brg1 is crucial for hair growth and skin repair by maintaining stem cells and promoting regeneration.
52 citations,
February 2012 in “PloS one” Lack of Ctip2 in skin cells delays wound healing and disrupts hair follicle stem cell markers in mice.
52 citations,
June 2009 in “Current Opinion in Endocrinology, Diabetes and Obesity” The document concludes that hair transplantation and gene therapy may be important for future hair loss treatment.
52 citations,
October 2004 in “Veterinary dermatology” Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.
52 citations,
May 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” Parathyroid hormone-related protein helps control hair growth phases in mice.
52 citations,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
51 citations,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
51 citations,
April 2020 in “Cells” Special cell particles from macrophages can help hair grow.
51 citations,
May 2019 in “Biomaterials” Researchers developed a method to grow hair follicles using special beads that could help with hair loss treatment.
51 citations,
January 2014 in “International journal of trichology” Shampoo pH can affect hair health, with alkaline shampoos potentially causing damage and acidic shampoos reducing frizz.
51 citations,
August 2013 in “Journal of Investigative Dermatology” Human skin cells can create new hair follicles when transplanted into mice.
51 citations,
May 2011 in “Phytotherapy Research” Ginseng, especially red ginseng, may help regrow hair and block a hair loss-related enzyme.
51 citations,
November 2010 in “Dermatologic Surgery” The research provides specific measurements for hair follicles that can improve hair transplant and regeneration techniques.
51 citations,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
51 citations,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
51 citations,
January 2004 in “Skin Pharmacology and Physiology” The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
51 citations,
December 2003 in “The FASEB Journal” The substance AS101 can help hair grow by slowing down hair cell aging and boosting a hair growth protein.
51 citations,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
51 citations,
March 2001 in “Clinics in dermatology” Bleaching damages hair, making it rougher and weaker.
51 citations,
October 2000 in “Acta dermato-venereologica” PPAR alpha may help in hair growth and could be a target for treatment.
50 citations,
February 2021 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.