7 citations,
October 2000 in “Allergo Journal” Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.
6 citations,
November 2020 in “Molecular and Cellular Endocrinology” Androgens reduce BMP2, which weakens the ability of certain cells to help hair stem cells become different types of cells.
5 citations,
October 2013 in “Clinics in Plastic Surgery” Hair transplant improves with regenerative medicine and FUE technique.
5 citations,
January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
4 citations,
July 2021 in “International Journal of Environmental Research and Public Health” Women who lost hair from childhood head radiation are more likely to face mental health issues than men.
3 citations,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
3 citations,
April 2014 in “Journal of Dietary Supplements” CARI ONE helps start hair growth and makes hair follicles bigger and more numerous.
3 citations,
June 2011 in “EFSA Journal” Spermidine's effect on hair growth is not proven.
3 citations,
August 2002 in “Current Opinion in Otolaryngology & Head and Neck Surgery” Hair transplantation, especially follicular unit micrografting, was the top treatment for male pattern baldness, with a focus on natural results and ongoing improvements in both surgical and medical management.
2 citations,
August 2019 in “International Journal of Applied Pharmaceutics” Niosomes can effectively deliver Superoxide Dismutase to hair follicles, potentially helping prevent hair loss.
1 citations,
August 2023 in “Nature communications” Hdac1 and Hdac2 help maintain and protect the cells that control hair growth.
1 citations,
September 2013 in “Elsevier eBooks” Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.
1 citations,
January 2013 in “Chronicles of young scientists” Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.
1 citations,
May 1965 in “Medical Clinics of North America” Hair growth dysfunction involves various conditions with limited treatment options.
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
March 2024 in “Frontiers in reproductive health” Women of color in Northern Manhattan view hair care as important to their identity and culture, and education on harmful chemicals in hair products is needed.
November 2019 in “Harper's Textbook of Pediatric Dermatology” Understanding normal hair growth and loss in children is key to diagnosing and treating hair disorders.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
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.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
June 2020 in “Journal of Investigative Dermatology” Tiny particles from skin cells can help activate hair growth.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
November 2011 in “Advanced Materials Research” Adding 1% hair fibers to brake materials improves friction and wear, making them more effective.
September 2004 in “Experimental dermatology” Melatonin directly affects mouse hair follicles and may influence hair growth.
September 2002 in “Dermatologic Surgery” The best results in surgical hair restoration come from careful techniques, optimal use of limited hair supply, correct hair direction, saving hair for key areas, understanding scarring effects, and adjusting hair graft density.
January 1997 in “Elsevier eBooks” Hair and nails are skin parts that develop early and serve protective and functional roles.
January 2007 in “Dermatologic Surgery” Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.
64 citations,
March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
51 citations,
January 2007 in “Animal Genetics” The gene for slick hair in Senepol cattle is located on chromosome 20 and may involve the SRD5A2 gene.