13 citations,
March 2017 in “Skin Research and Technology” Formaldehyde damages curly hair more than glyoxylic acid.
20 citations,
January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
193 citations,
January 2015 in “International journal of trichology” Dermatologists need to understand hair products to treat hair and scalp issues better.
23 citations,
June 2014 in “International Journal of Cosmetic Science” Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
73 citations,
October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
68 citations,
August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
25 citations,
December 2011 in “Surface and interface analysis” Bleaching hair causes significant damage by breaking down proteins and fatty acids.
19 citations,
May 2010 in “Surface and interface analysis” 18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.
23 citations,
May 2010 in “Surface and interface analysis” Chemical treatments and UV radiation severely damage the lipid layer on hair.
15 citations,
May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
25 citations,
May 2008 in “Journal of cosmetic dermatology” Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
41 citations,
October 2000 in “Dermatologic clinics” Better hair care products are needed to protect against grooming and chemical damage.
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.
86 citations,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
191 citations,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.