Also known as: PLE, Fernblock
Fern extract providing internal sun protection. Popular in dermatology for UV sensitivity.
During sun exposure periods
Fair skin, sun sensitivity, outdoor activities
We haven’t curated landmark studies for Polypodium Leucotomosyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Dermatologist-recommended for sun sensitivity
Insufficient data
Safe
Other ingredients in the Skin Health category.
Browse all Skin Health ingredients →Formulate Research Team. (2026, September). Polypodium Leucotomos — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/polypodium-leucotomos
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.