This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
[{'content': 'Berloque dermatitis is due to contact with - \nSelect and explain. \nA. Metals, B. Cosmetics, C. Food, D. Plants', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Cosmetics Berlock dermatitis is a phototoxic reaction due to bergamot fragrance oil (5 methoxy psoralen) present in some perfumes & cosmeticsQ. It causes erythema followed by prolonged hyperpigmentation after exposure to sun light.', 'role': 'assistant'}]