November 2023 in “Frontiers in cell and developmental biology” Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
August 2023 in “Dermatologic Surgery” Wounding may stimulate hair growth, but more research is needed to confirm the safety and effectiveness of related treatments.
January 2013 in “Российский журнал кожных и венерических болезней” Androgenic alopecia, a common hair loss condition, is linked to changes in androgen metabolism and genetics, and can be treated with finasteride and minoxidil, but these treatments are only fully effective in 10% of patients.
May 2009 in “Hair transplant forum international” Androgens affect hair growth and shedding, with genetic and non-genetic factors influencing baldness.
12 citations
,
November 1945 in “Archives of dermatology” Transplanted skin on hooded rats often grows white hair instead of black.
8 citations
,
November 2020 in “Skin Research and Technology” Enlarged facial pores are denser, more contrasted, and linked to changes in skin structure and hair follicles.
8 citations
,
January 2015 in “Genetics and molecular research” Researchers found four key proteins that affect the development of a specific hair type in Yangtze River Delta white goats.
5 citations
,
June 2018 in “Elsevier eBooks” Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.
August 2021 in “Case Reports” A woman thought to have rosacea was actually suffering from Frontal Fibrosing Alopecia, a hair loss condition. Despite treatment, her condition didn't change, showing the importance of accurate early diagnosis.
Hair loss is caused by hormonal changes that shorten hair growth phases and shrink hair follicles.
January 2010 in “Chinese Journal of Aesthetic Medicine” EGCG promotes hair growth in mice.
January 1986 in “The Nishinihon Journal of Dermatology” Hormones can cause hair loss and affect hair growth.
January 2006 in “Casopís lékar̆ů c̆eských” Female hair loss is influenced by genetics and hormones, often starting in middle age or after hormonal changes.
January 2013 in “Liaoning Zhongyiyao Daxue xuebao” Fresh ginger promotes hair growth in mice.
314 citations
,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
245 citations
,
January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
139 citations
,
July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
58 citations
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February 2016 in “Scientific reports” Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
57 citations
,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
55 citations
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March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
42 citations
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July 2012 in “PLOS ONE” Estrogen can temporarily slow down hair growth but this can be reversed.
39 citations
,
April 1992 in “Development” Both cell and non-cell parts are important for rat whisker follicle regrowth.
33 citations
,
September 2019 in “Dermatologic Surgery” Using a special stem cell formula on the scalp once a month for six months helped people with hair loss grow more hair.
33 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.
30 citations
,
December 2014 in “Toxicological Research” Peppermint oil can effectively promote hair growth without being toxic.
26 citations
,
May 2017 in “Lasers in Medical Science” Laser therapy and hair growth factors significantly improve hair density in male baldness.
23 citations
,
April 1999 in “Dermatologic Clinics” Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.
22 citations
,
October 2019 in “International Journal of Nanomedicine” The nanoparticles improved hair growth and enlarged hair bulbs.
22 citations
,
August 2016 in “European Eating Disorders Review” Adolescent girls with anorexia nervosa have lower hair cortisol levels than healthy and psychiatric peers.
20 citations
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April 2002 in “PubMed” Mini rats have thinner skin, more fat, and different hair cycles than Wistar rats due to lower growth hormone levels.