Polypodium Leucotomos
Before sun exposure
Polypodium leucotomos is an extract derived from a tropical fern native to Central and South America. It has a long history of traditional use and is now widely studied for its ability to protect skin from ultraviolet radiation damage. The extract contains potent antioxidant and anti-inflammatory compounds, particularly phenolic acids.
Research Evidence
Provides systemic photoprotection when taken orally before sun exposure
ModerateMay help improve melasma when combined with standard treatments
LimitedMay help manage symptoms of polymorphous light eruption
ModerateSupports reduction in UV-related DNA damage markers
ModerateReduces UV-induced skin erythema and sunburn severity
StrongSafety & Cautions
Side Effects
- Mild gastrointestinal discomfort
- Occasional skin itching
- Rare allergic reactions in fern-sensitive individuals
Polypodium leucotomos is generally well-tolerated in clinical studies lasting up to several months. It should be used as a complement to sunscreen and sun-protective clothing, not as a replacement for topical UV protection.
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