January 2025 in “International Journal of Cosmetic Science” Citric acid strengthens and improves damaged hair.
66 citations
,
June 2004 in “Biophysical Journal” Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
30 citations
,
October 2020 in “Nature Communications” Finasteride irreversibly affects human steroid 5α-reductase 2, providing insight into its catalytic mechanism and disease-related mutations.
7 citations
,
January 2007 in “Elsevier eBooks” Shampoos clean hair mainly with surfactants and have added ingredients for extra benefits.
October 2023 in “Cognizance journal” The document suggests using natural remedies like bloodletting and honey for various health issues but lacks scientific evidence for their effectiveness.