August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
3 citations,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
1 citations,
July 2017 in “The Journal of Urology” Low-dose finasteride and dutasteride reduce PSA levels by 27.8% in men with male androgenetic alopecia.
151 citations,
November 2018 in “International Journal of Pharmaceutics” Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.
126 citations,
January 1987 in “Journal of The American Academy of Dermatology” The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.