19 citations
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November 1971 in “Clinica Chimica Acta” In this study, the researchers found that the absence of the NFI-C transcription factor delayed the hair growth cycle in mice by affecting key gene expressions and signaling pathways.
18 citations
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July 2015 in “Journal of cosmetic dermatology” This study observed that combining hair dyeing with sodium hydroxide relaxers drastically increased protein loss in Caucasian virgin dark brown hair, while ammonium thioglycolate or guanidine hydroxide relaxers caused less damage.
5 citations
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September 2017 in “Colloids and surfaces. B, Biointerfaces” This study found that treating hair with 1 M sodium hydroxide increases its self-friction coefficient, suggesting potential applications in forming fine frictional fibers for medical uses.
2 citations
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May 2002 in “Clinics in Dermatology” This study found that androgenic alopecia is present in 22% of women with polycystic ovary syndrome and is associated with other clinical signs of hyperandrogenism, but not with increased biochemical hyperandrogenemia or metabolic dysfunction.
2 citations
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.