24 citations
,
January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
16 citations
,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
14 citations
,
September 2016 in “Journal of Photochemistry and Photobiology B Biology” UV exposure damages hair, increasing thiols and altering protein structure.
13 citations
,
July 2017 in “Biopolymers” Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.
13 citations
,
September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
13 citations
,
March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
12 citations
,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
11 citations
,
January 2006 in “Journal of the American Leather Chemists Association” Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
11 citations
,
September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
9 citations
,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
9 citations
,
August 2005 in “Experimental Dermatology” Modified pep7, named EPM peptide, effectively promotes hair growth at low concentrations and works well with minoxidil.
7 citations
,
September 2021 in “Journal of Applied Polymer Science” Cuttlefish ink melanin protects hair from UV damage.
6 citations
,
October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
6 citations
,
April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
4 citations
,
January 2020 in “Elsevier eBooks” Natural polymers can protect, repair, and promote hair regrowth.
4 citations
,
November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
3 citations
,
September 2021 in “Data in brief” Bleaching hair changes its structure and weakens it, which is important for understanding hair damage and creating treatments.
3 citations
,
January 2002 in “Springer eBooks” Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
2 citations
,
January 2015 in “Sen'i Gakkaishi” Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.
2 citations
,
January 2014 in “Sen i Gakkaishi” The new hair straightening method keeps hair straight permanently by using specific creams and heat.
2 citations
,
September 1996 in “Journal of Applied Polymer Science” Potassium cyanide changes hair's disulfide bonds to monosulfide, affecting high-sulfur proteins more.
1 citations
,
March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
1 citations
,
January 2019 in “Studia Biologica” Extracted keratin from wool and hair can be used in medicine and bioengineering.
1 citations
,
June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
1 citations
,
January 2013 Depilatories use chemicals to weaken hair for easy removal.
Perms can damage hair and scalp, so proper assessment and care are essential.
Caffeine therapy helped hair recovery after chemical and traction damage.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.