December 2020 in “한국인그리에학회지” Astringent persimmon fruit extract may help hair grow longer and cover more area without increasing the number of hair follicles.
37 citations,
June 1996 in “Journal of cellular physiology” Retinoic acid, glucocorticoids, and IGF1 increase IGFBP-3 production in human dermal papilla cells, affecting hair growth.
35 citations,
September 2017 in “PubMed” The document concludes that hair loss has many causes and treatments vary, including medication for pattern baldness and addressing underlying issues for other types.
17 citations,
June 1997 in “Baillière's clinical obstetrics and gynaecology” Scientists now better understand how human hair growth is controlled, including the roles of specific genes and proteins.
9 citations,
February 2022 in “BMC Genomics” Melatonin affects gene expression in goat hair follicles, potentially increasing cashmere production.
1 citations,
January 2022 in “Faculty reviews” The best long-lasting results in treating hair loss may be achieved through combination therapy, including treatments like finasteride, minoxidil, and platelet-rich plasma injections.
1 citations,
May 2017 in “InTech eBooks” Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.
1 citations,
January 1997 in “Journal of Investigative Dermatology” RU58841, an androgen receptor blocker, significantly increased hair density, thickness, and length in monkeys when applied topically daily for several months.
September 2022 in “Journal of The American Academy of Dermatology” Different types of hair loss are linked to COVID-19, with some types possibly increasing risk of getting the virus, while others may be triggered or worsened by the virus.
January 2012 in “Elsevier eBooks” Hair loss can cause emotional and social issues, and various treatments, including medication, surgery, and psychological support, are needed.
December 2023 in “PubMed” Both single-spin and double-spin PRP methods effectively treat hair loss, with single-spin slightly increasing platelet count more.
K15 and Id3 are important in hair follicle regeneration, with K15 increasing in early stages and Id3 responding later.
December 2020 in “Journal of Aesthetic Nursing” Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.
85 citations,
April 2007 in “Dermatologic Clinics” Some drugs can cause hair loss, change hair color and shape, or increase hair growth, and treatment may involve stopping the drug or using specific hair growth treatments.
71 citations,
February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
69 citations,
March 1993 in “Archives of Dermatology” The document says there are five types of hair loss conditions and different causes, including drugs.
42 citations,
March 2006 in “Drug Discovery Today: Therapeutic Strategies” The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.
18 citations,
January 1998 in “Endocrine” RU58841, a nonsteroidal anti-androgen, showed potential as a topical treatment for hair loss, increasing hair density, thickness, and length without systemic side effects in Stumptailed Macaques.
9 citations,
July 2014 in “Experimental Dermatology” PTHRP agonists can stimulate hair growth, especially in damaged follicles, while antagonists may initially increase growth but ultimately inhibit it.
6 citations,
January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
6 citations,
February 2018 in “PLOS ONE” Insect wax, especially its policosanol content, may help hair regrow by changing hair follicle phases and increasing nutrient supply.
3 citations,
November 2021 in “Journal of The American Academy of Dermatology” Androgenetic alopecia, a genetic disorder affecting up to 50% of adults, is caused by an excessive response to androgens leading to hair follicle shrinkage. Treatments include FDA-approved drugs, other therapies like low-dose oral minoxidil, and hair transplantation.
3 citations,
January 2003 SPELA 707, a mix of eight herbal extracts, may help treat hair loss by activating hair growth and increasing hair density.
2 citations,
May 2012 in “Indian drugs” Finasteride, a hair loss treatment, works better and is more stable when delivered through specially prepared gels, leading to increased hair growth.
January 2003 in “Humana Press eBooks” Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.
January 2007 in “Revista del Centro Dermatológico Pascua” Hair loss in women, often not related to male hormones, increases with age and can cause significant emotional distress.
4 citations,
April 2016 in “Experimental Dermatology” AGA causes hair loss through follicle miniaturization and hair cycle changes; regrowth depends on anagen initiation in kenogen follicles.
September 2014 in “Journal of the American Academy of Dermatology” The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.
November 2008 in “Medical & surgical dermatology” A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.
The document concludes that measuring hair density, shaft diameter, growth rate, and anagen:telogen ratio is important for assessing hair growth treatments.