The clinical studies show that octocrylene is both a photocontact allergen and a contact allergen. Octocrylene's ability to cause contact allergy is probably attributable to its reactivity towards lysine. To be able to understand why octocrylene causes photocontact allergy, further studies are needed.

Late onset and a protracted course of skin lesions are associated with MS-LCH, whereas WT BRAF is found in rapidly resolving skin lesions.

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