7 citations,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
April 2024 in “Frontiers in endocrinology (Lausanne)” Melatonin improved secondary hair growth in goats but didn't affect primary hair density or litter size.
26 citations,
March 2015 in “Phytotherapy Research” Forsythiaside-A, a natural substance, can protect against hair loss and is more effective than current treatments, potentially making it a good option for hair loss treatment.
3 citations,
January 2018 in “Dermatology” Scalp biopsies help tell apart androgenetic alopecia and alopecia areata.
29 citations,
September 2012 in “Birth Defects Research” Wounds heal without scarring in early development but later result in scars, and studying Wnt signaling could help control scarring.
92 citations,
October 2002 in “Journal of The American Academy of Dermatology” Finasteride improves hair loss in women with hyperandrogenism.
5 citations,
February 2017 in “Australasian Journal of Dermatology” Scarring hair loss found in female pattern; biopsy needed for diagnosis.
14 citations,
May 2011 in “Facial Plastic Surgery Clinics of North America” Laser hair removal is effective for dark hair but needs improvement for nonpigmented or fine hairs.
67 citations,
September 2008 in “Dermatologic therapy” Hirsutism is excessive hair growth in women often caused by polycystic ovarian syndrome, and identifying the cause is important for managing associated health risks.
4 citations,
January 2011 in “Der Pharmacia Lettre” Hibiscus flower extract slowed down hair growth in rats.
22 citations,
January 2002 in “Treatments in endocrinology” Birth control pills help treat skin and hair growth problems linked to high male hormone levels.
17 citations,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
11 citations,
December 2011 in “Revista Brasileira de Farmacognosia” The seeds of Abrus precatorius, when processed, can prevent hair loss more effectively than common treatments.
37 citations,
December 2007 in “International journal of clinical practice” Hirsutism is excessive male-pattern hair growth in women, often caused by hormonal imbalances, and requires ongoing treatment to manage.
37 citations,
January 2008 in “Gynecological Endocrinology” Shorter CAG repeats in a specific gene may increase male hormone activity and symptoms like acne and excess hair in women with PCOS.
38 citations,
January 1997 in “Gynecological Endocrinology” Finasteride and flutamide effectively reduce hirsutism in PCOS women, with flutamide also lowering hormone levels.
17 citations,
October 2017 in “Scientific reports” Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.
Different genes cause Female Pattern Hair Loss compared to male hair loss, and treatments vary, but more research is needed to understand it fully.
44 citations,
June 1985 in “Fertility and sterility” Combination drug therapy is effective for hirsutism that doesn't improve with just one medication.
57 citations,
May 1986 in “Clinics in endocrinology and metabolism” Androstanediol glucuronide is a reliable marker for hirsutism in women.
41 citations,
May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
January 2023 in “Journal of applied animal research” Short photoperiods improve cashmere growth and quality in goats by changing hormone levels and gene expression.
August 2019 in “Research Square (Research Square)” Red LED light improves the quality of Angora rabbit wool by promoting hair growth.
48 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
10 citations,
October 2021 in “Animal nutrition” Vitamin B6 helps increase hair growth and density in rabbits by affecting certain cell signaling pathways.
6 citations,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
March 2023 in “Asian Journal of Beauty and Cosmetology” HX109 herbal extract helps hair grow by boosting cell growth and reducing cell death.
January 2022 in “Food Science and Technology” The herbal mixture could potentially improve hair loss.
1 citations,
April 2022 in “Revista Da Associacao Medica Brasileira” COVID-19 can cause different types of hair loss, and proper diagnosis by a specialist may be needed.
17 citations,
December 2019 in “Stem Cell Research & Therapy” Grouping certain skin cells together activates a growth pathway that helps create new hair follicles.