36 citations,
December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
36 citations,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
1 citations,
January 2015 in “Genetics and Molecular Research” Stopping S100A3 activity slows down hair growth in mice.
April 2011 in “ISRN Dermatology (Print)” The wigs made from human hair and polypropylene were mostly well-tolerated and durable in rabbits, suggesting they could be a new option for people with extensive hair loss.
479 citations,
January 2005 in “BioEssays” Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.
271 citations,
March 1999 in “Developmental biology” The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.
66 citations,
June 2018 in “International Journal of Women's Dermatology” No cure for female pattern hair loss, but various effective treatments exist.
58 citations,
February 2016 in “Scientific reports” Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
31 citations,
September 2013 in “Stem Cells” Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.
23 citations,
January 2021 in “Biomedicine & Pharmacotherapy” DHT stops hair regrowth in mice, similar to human hair loss.
20 citations,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
19 citations,
May 2020 in “Cells” Substance from human umbilical cord blood cells promotes hair growth.
1 citations,
January 2023 in “International journal of all research education and scientific methods” Hair analysis is better than urine and blood for detecting past drug use.
October 2023 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Understanding psychological discomfort in hair loss can improve treatment outcomes.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
53 citations,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
16 citations,
March 2017 in “Bone Marrow Transplantation” Some children who had stem cell transplants developed permanent hair loss, especially when treated with a drug called busulphan.
April 2012 in “Informa Healthcare eBooks” Temporal triangular alopecia is a lifelong condition with hairless patches on the side of the head that may be present from birth.
161 citations,
August 2012 in “Seminars in cell & developmental biology” Hair growth and development are controlled by specific signaling pathways.
30 citations,
August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” TGase 3 helps build hair structure by forming strong bonds between proteins.
6 citations,
December 2017 in “Journal of Cosmetic and Laser Therapy” Low-level laser therapy can improve hair density in people with androgenic alopecia, but more research is needed to find out who it works best for.
4 citations,
January 2011 in “Annals of Dermatology” Researchers found a new mutation in the HR gene linked to a rare hair loss condition.
1 citations,
October 2022 in “JCI insight” Deleting the BRD4 protein in certain skin cells causes hair loss and skin inflammation.
July 2024 in “Journal of Cosmetic Dermatology” Vegan collagen builder improves hair growth, skin smoothness, and reduces wrinkles and pain.
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” KIF18B is important for correctly positioning cell division machinery in skin cells, affecting hair follicle development.
13 citations,
March 2016 in “Journal of Cutaneous Pathology” Some people's hair loss is caused by multiple factors, with the most common being a mix of AGA and CCCA.
45 citations,
August 2018 in “Stem Cells International” Stem cells, especially from fat tissue and Wharton's jelly, can potentially regenerate hair follicles and treat hair loss, but more research is needed to perfect the treatment.
13 citations,
April 2018 in “Scientific Reports” The genes KRT25 and SP6 affect curly hair in horses, with KRT25 also causing hair loss. If both genes are mutated, the horse gets curly hair and hair loss. KRT25 can hide the effect of SP6.
105 citations,
October 2017 in “Stem cells” Wnt signaling is crucial for skin development and hair growth.
45 citations,
August 2018 in “Haematologica” Macrophage iron release is crucial for hair growth and wound healing.