September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
8 citations
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December 2003 in “Materials Research-ibero-american Journal of Materials” Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.
7 citations
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October 2008 in “Nature Genetics” Two key genetic areas linked to male-pattern baldness were identified.
43 citations
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September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
10 citations
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May 2020 in “Journal of The American Academy of Dermatology” Taking spironolactone doesn't increase the chance of breast cancer coming back.