The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
January 2014 in “Journal of Pigmentary Disorders” Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.
January 2013 in “Springer eBooks” Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.
The new method can tell how hair fibers react to moisture after treatments.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
Frizzy hair is fragile and can lead to hair loss and damage if not properly cared for.
January 2011 in “Springer eBooks” Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
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.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
Hair properties change under electromagnetic fields and are influenced by individual characteristics and the environment.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
May 2003 in “Journal of Investigative Dermatology” The meeting covered advances in understanding hair growth, causes of hair loss, and potential treatments.
January 2003 in “Chinese Journal of Reparative and Reconstructive Surgery” Dermal papilla cells can help form hair follicles and produce hair.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
Anti-keratin antibody from cow milk makes damaged hair stronger and less likely to break.
December 1991 in “Annals of the New York Academy of Sciences” Keratin proteins are crucial for hair structure and strength.
August 1985 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” Hair dye can damage dog hair and cause health issues.
Daily hair care may cause holes in hair fibers.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.