Various extracts of polypodium leucotomos (PLE) applied topically or taken orally have been shown to have several beneficial antioxidant, photoprotectant, antimutagenic, and immunoregulatory effects. Modern studies have evaluated the efficacy of PLE orally as a photoprotective agent and for use in
BACKGROUND
Physical blocks (i.e. wearing appropriate clothing), exposure avoidance, and the use of sunscreens are the main methods of photoprotection currently used. However, phytochemical and natural botanical extracts such as polypodium leucotomos, a tropical fern found in Central and South