16 citations,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
128 citations,
August 2020 in “Cell stem cell” Dermal fibroblasts have adjustable roles in wound healing, with specific cells promoting regeneration or scar formation.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.
1 citations,
December 2021 in “Animals” Low zinc and selenium levels in sheep are linked to hair loss and thyroid problems.
2 citations,
August 2023 in “Ecotoxicology and environmental safety” Vitamin A helps rabbit skin cells grow and survive heat stress.
1 citations,
January 1967 in “The BMJ” The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.
11 citations,
October 2021 in “Journal of The European Academy of Dermatology and Venereology” Topical finasteride is an effective and safer treatment for male hair loss.
3 citations,
January 2021 in “Journal of dermatology & cosmetology” Current alopecia treatments manage symptoms but don't cure, and better treatments are needed.
42 citations,
July 2015 in “Cosmetics” Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
2 citations,
January 1908 in “Journal of the American Medical Association” Fear of hair-related issues causes significant mental distress, especially in high-stress women.
September 2021 in “Mağallaẗ al-Muẖtar li-l-ʿulūm” Two sisters have rare hair disorders causing short, fragile, kinky hair.
24 citations,
April 2012 in “Developmental Biology” Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.
January 2016 in “Springer eBooks” The document concludes that there are various causes and treatments for hair loss, with hair transplantation being a notable option.
17 citations,
August 2012 in “Journal of Medical Genetics” A new mutation in the XEDAR gene might cause a rare skin condition called hypohidrotic ectodermal dysplasia.
September 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Freezing gamma-irradiated amniotic fluid may help hair growth and speed up the growth phase.
5 citations,
July 2022 in “Genes” Increasing EGR1 levels makes hair root cells grow faster.
24 citations,
July 1983 in “Clinical and Experimental Dermatology” Tigason improved hair growth in a boy with monilethrix without side effects.
23 citations,
January 2018 in “BMC genomics” Vimentin is involved in regulating the hair growth cycle in Inner Mongolian Cashmere goats.
25 citations,
October 2017 in “Clinics in Dermatology” Older adults commonly experience hair loss and nail disorders due to aging and health changes, affecting their quality of life.
1 citations,
November 2022 in “Pharmaceutical research” The simulation showed that hypobaric pressure improves drug delivery through the skin, but stretching alone doesn't fully explain the increase.
55 citations,
October 2003 in “Dermatologic Clinics” Different hair care practices and conditions affect African American hair and scalp health, requiring specialized knowledge for treatment.
9 citations,
January 1995 in “Aesthetic Plastic Surgery” New suturing technique with wider intervals and shallow stitches helps prevent scalp scars and promotes hair growth.
June 2018 in “Journal of the American Veterinary Medical Association” Three related Persian cats have a rare, likely hereditary skin condition causing hair loss and poor coat quality, with limited treatment options.
5 citations,
January 2017 in “Skin appendage disorders” A man developed an allergic skin reaction from a therapy cap used for hair loss treatment.
19 citations,
September 2019 in “PLOS genetics” Telomere damage affects skin and hair follicle stem cells by messing up important growth signals.
18 citations,
June 2019 in “Clinical research in dermatology” Acne can't be cured but can be managed with treatments like benzoyl peroxide and diet changes; it's costly and can lead to scarring and mental health issues.
4 citations,
August 2022 in “International Journal of Molecular Sciences” Human foreskin does not show aging or reduced cell growth after radiation, and H2A.J is not a good marker for radiation-induced aging.
December 2023 in “International Journal of Science and Research (IJSR)” Herbal treatments are effective and preferred for hair loss with fewer side effects.
35 citations,
January 2018 in “Skin pharmacology and physiology” Nanoemulsion creams with certain enhancers can greatly increase caffeine delivery through skin.
73 citations,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.