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Merck

Topical protection against long-wave ultraviolet A.

Journal of the American Academy of Dermatology (1983-09-01)
M Jarratt, M Hill, K Smiles
RESUMO

A PABA ester-oxybenzone preparation is superior to PABA or sulisobenzone alone in protecting the skin from methoxsalen-induced ultraviolet A (UVA) phototoxicity after water substantivity challenge. Such a mixture would be useful as a UVA screen for uninvolved or actinically damaged skin in patients receiving psoralens and ultraviolet A (PUVA) therapy. An effective topical UVA screen also may protect against UVA-induced diseases like solar urticaria, polymorphic light eruptions, drug-induced phototoxicity or photoallergy, and possibly against the deep degenerative changes of solar elastosis.

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Sigma-Aldrich
5-Benzoyl-4-hydroxy-2-methoxybenzenesulfonic acid, ≥97.0% (HPLC)
Supelco
Sulisobenzone, analytical standard