29 citations,
February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
35 citations,
January 1993 in “International Journal of Dermatology” People with HIV and low T cell counts have more hair and scalp problems.
Cinchona succirubra extract with caffeine reduces hair loss and strengthens hair.
60 citations,
June 1997 in “Journal of The American Academy of Dermatology” Apoptosis is crucial for healthy skin and treating skin diseases.
50 citations,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
1 citations,
March 2009 in “Hair transplant forum international” The TrichoScan method effectively measures hair growth and helps choose patients for hair restoration surgery.
146 citations,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
54 citations,
September 2012 in “Dermatologic Clinics” Some medications can cause hair loss, but stopping the drug usually leads to recovery within 3 months.
June 1995 in “Archives of Dermatology” A woman's hair loss was due to trichotillomania, which is often misdiagnosed and can require different treatments based on age and underlying conditions.
91 citations,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
61 citations,
September 2010 in “Genomics” The study found that immune responses disrupt hair growth cycles, causing hair loss in alopecia areata.
16 citations,
February 2017 in “Dermatology and Therapy” The new visual scale is a quick and effective way to measure hair loss in women.
127 citations,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
109 citations,
December 1998 in “The Journal of Dermatology” Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.
74 citations,
January 2013 in “Expert Opinion on Biological Therapy” The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.
40 citations,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
38 citations,
April 2016 in “Experimental Dermatology” The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.
30 citations,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
23 citations,
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” NF-κB is crucial for different stages and types of hair growth in mice.
22 citations,
January 2015 in “Dermatology Research and Practice” An extra-strength marine protein supplement helped increase hair growth and decrease hair shedding in women with thinning hair.
7 citations,
December 2017 in “Anais da Academia Brasileira de Ciências” 6-Gingerol from ginger may slow down hair growth by affecting certain enzymes and growth factors.
7 citations,
October 2016 in “Dermatologic Therapy” About 40% of women without hair loss and 60% with hair loss experience a lot of hair shedding, especially those under 50 with long hair.
6 citations,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
5 citations,
January 2009 in “Dermato-endocrinology” ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
418 citations,
September 2012 in “Nature” African spiny mice can regenerate skin, hair, and cartilage, but not muscle, and their unique abilities could be useful for regenerative medicine.
120 citations,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
72 citations,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
43 citations,
October 2002 in “International Journal of Cosmetic Science” All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.