37 citations,
November 2007 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Black hair is fragile due to hair care practices, not structural differences.
1 citations,
July 2023 in “Pharmaceutics” New microneedles deliver drugs through the skin accurately and effectively.
11 citations,
July 2021 in “Sustainability” Concrete made from animal bones and human hair is stronger and more environmentally friendly than traditional concrete.
136 citations,
May 2019 in “Cells” Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.
33 citations,
November 2019 in “Journal of Controlled Release” Microneedles with enhancer effectively promote hair growth and increase hair density.
3 citations,
October 2019 in “Pharmaceutics” New technique implants pigment in scalp with less pain and damage.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
1 citations,
June 2019 in “International Journal of Applied Pharmaceutics” Nanostructured lipid carriers can effectively repair hair split-ends for over 3 days.
19 citations,
May 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” The type 3 IP3 receptor is important for controlling hair loss and growth.
New methods to classify curly hair types were developed based on shape and strength.
12 citations,
July 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Curly hair breaks due to mechanical damage and environmental factors, not chemical makeup, and needs ongoing care to prevent breakage.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
160 citations,
January 2017 in “Development” Blood vessels and specific genes help turn cartilage into bone when bones heal.
43 citations,
December 2013 in “Stem Cells” Stretching skin increases a certain protein that attracts stem cells, helping skin regeneration.
41 citations,
May 2018 in “Nutrition and healthy aging” Skin aging is largely due to differences in stiffness and elasticity between skin layers, leading to wrinkles.
11 citations,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
October 2012 in “Advanced Materials Research” Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.
3 citations,
October 1990 in “Journal of the American Academy of Dermatology” Mechanical trauma like towel drying can cause knotted hair even in straight hair.
19 citations,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
February 2024 in “World journal of clinical cases” A young woman had surgery to remove a large hairball that blocked her intestines and then got psychiatric help.
November 2020 in “Journal of The American Academy of Dermatology” Fluid viscosity affects fracture design and proppant placement in hydraulic fracturing.
2 citations,
November 2023 in “Biomolecules” WNT signaling is crucial for skin development and healing.
7 citations,
May 1978 in “International Journal of Dermatology” Recent hair loss research shows some progress, especially in understanding male pattern baldness, but effective treatments for many types of hair loss are still lacking.
34 citations,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
15 citations,
August 2021 in “Reviews in endocrine and metabolic disorders” COVID-19 and hypopituitarism (reduced pituitary gland function) are linked, with the latter's related health issues potentially worsening COVID-19 outcomes, and COVID-19 possibly increasing risk for pituitary complications.
12 citations,
January 2007 in “Current problems in dermatology” Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.
3 citations,
January 2011 in “Female pelvic medicine & reconstructive surgery” Hormones significantly affect women's sexual function, and more research is needed to improve treatments for sexual dysfunction with minimal side effects.