Different hair growth phases affect how follicles respond to X-rays, and hormones like testosterone and dihydrotestosterone play a key role in baldness; transplanted hair can grow on bald scalp areas.
21 citations
,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
17 citations
,
December 2001 in “Journal of Investigative Dermatology” The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.
7 citations
,
January 2013 in “BioMed research international” Hair follicles and deer antlers regenerate similarly through stem cells and are influenced by hormones and growth factors.
3 citations
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May 2014 in “InTech eBooks” Copper deficiency may cause hair loss, and treating it could involve nutrition and hormones.
135 citations
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August 1994 in “Clinical Endocrinology” Most women with hirsutism or androgenic alopecia had polycystic ovaries, especially if they had irregular periods.
November 2013 in “John Wiley & Sons, Ltd eBooks” Skin symptoms can indicate endocrine disorders and have various treatments.
101 citations
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April 1994 in “Baillière's clinical endocrinology and metabolism” 5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.
82 citations
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January 2000 in “Hormone Research in Paediatrics” DHEA stimulates skin oil glands and could help postmenopausal women, with potential for acne and excessive hair growth treatments.
23 citations
,
January 2016 in “Journal of Nanjing Medical University” Overweight women with PCOS are more likely to have excess male hormones.
15 citations
,
February 2015 in “Cell & tissue research/Cell and tissue research” P-cadherin is important for hair growth and health, and its problems can cause hair and skin disorders.
7 citations
,
July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
Afro-textured hair is more fragile and prone to certain scalp conditions, requiring careful treatment and more research for effective management.
January 1983 in “Elsevier eBooks” Cyproterone acetate is used to treat conditions like prostate cancer, early puberty, excessive sexual drive, and female androgenization by affecting androgen functions and suppressing certain hormones.
1 citations
,
January 2006 in “Elsevier eBooks” Cats lose fur due to various reasons, including allergies, infections, genetics, hormones, diet, cancer, stress, and some conditions are treatable while others are not.
1 citations
,
January 2002 in “Dermatology + psychosomatics” Most people worried about abnormal hair loss actually have psychological issues like depression or anxiety.
Botulinum toxin shows promise for treating scalp sweating but not for hair growth.
January 2018 in “Clinical dermatology open access journal” The Biofield Energy Treated herbal mixture increased hair growth in mice compared to the untreated mixture.
86 citations
,
October 2017 in “Translational pediatrics” Skin changes can help diagnose and manage endocrine disorders like thyroid problems, diabetes, and adrenal gland conditions.
69 citations
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February 1983 in “Gut” Men with coeliac disease may have hormone imbalances that could affect sexual function, but these can improve with better gut health.
204 citations
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May 2014 in “The Journal of Sexual Medicine” Hormone therapy for trans individuals is effective and generally safe in the short term.
120 citations
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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.
101 citations
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January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
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.
24 citations
,
October 2017 in “Biomolecules” Some growth factors, while important for normal body functions, can cause diseases when not regulated properly.
12 citations
,
July 2021 in “Scientific Reports” Glutamic acid helps increase hair growth in mice.
January 2023 in “Research Square (Research Square)” Hair cortisol may be a good indicator of recent mood in people with bipolar disorder.
July 2025 in “International Journal of Homoeopathic Sciences” Homeopathy can help manage PCOS symptoms and improve quality of life.
173 citations
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May 2001 in “Human reproduction update” Oestrogens are key for bone growth during puberty in both boys and girls.
9 citations
,
March 2011 in “Oxidative stress and disease” Some herbal treatments are effective for skin disorders, but more research and regulation are needed.