99 citations,
September 2007 in “The American journal of pathology” Chemotherapy damages hair follicles, causing hair loss and other cellular changes.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Prostaglandin E2 helps prevent hair loss from radiotherapy by protecting hair growth cells and aiding self-repair.
31 citations,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
58 citations,
October 2016 in “Journal of Investigative Dermatology” Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.
16 citations,
November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.