20 citations
,
June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
13 citations
,
March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
87 citations
,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
44 citations
,
November 2007 in “Journal of toxicology and environmental health. Part B, Critical reviews” Copper and zinc in hair can indicate health conditions.
34 citations
,
September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.
226 citations
,
January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
41 citations
,
May 2005 in “International Journal of Cosmetic Science” Human hair contains various lipids that vary among individuals and help protect the hair.
276 citations
,
January 2005 in “International review of cytology” More research is needed to understand how hair keratins work and their role in hair disorders.
199 citations
,
January 2004 in “The International Journal of Developmental Biology” Hair follicle growth and development are controlled by specific genes and molecular signals.
62 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
5 citations
,
November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
272 citations
,
September 2001 in “Journal of Biological Chemistry” Human hair keratins were cataloged, showing their roles in hair differentiation stages.
235 citations
,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
2 citations
,
January 1997 in “Journal of the society of cosmetic chemists” Different antidandruff shampoos can change how much oil your scalp produces.
228 citations
,
January 1997 in “Birkhäuser Basel eBooks” Keratin proteins and their genes are crucial for hair growth and structure.
175 citations
,
January 1995 in “Birkhäuser Basel eBooks” Human hair growth and structure are influenced by keratin proteins, genes, melanin, and lipids.
35 citations
,
September 1994 in “Journal of Investigative Dermatology” 43 citations
,
July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
7 citations
,
January 1988 15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
75 citations
,
November 1965 in “Textile research journal” Papain and bisulfite break down human hair by dissolving parts of 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.
7 citations
,
January 1959 in “Canadian Journal of Chemistry” Human and horse hair have similar end groups to wool and feathers.