April 2016 in “JAMA Dermatology” Baseball caps don't fully protect bald spots on the back of the head from sun damage; wear wide-brimmed hats or use sunscreen.
August 2018 in “Journal of The American Academy of Dermatology” The study concluded that a new method can effectively assess scalp sun damage in balding men, which increases with age and sun exposure.
69 citations,
March 2016 in “American journal of clinical dermatology” Topical retinoids effectively improve photodamaged skin.
January 2024 in “Journal of tissue engineering” Sunlight exposure damages hair follicles, but certain stem cell-derived particles can reduce this damage and help with hair regeneration.
August 2015 in “Free Radical Biology and Medicine” Some treatments can improve skin's defense against damage, but overuse may cause other skin problems.