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Under conditions of high humidity, the evaporation of sweat from the skin is decreased. This could make oil glands to become more active and makes oily skin oilier. It would be best to stop these skin care products for the time being. And it is important to keep your face clean and dry all the time. Avoid using any chemicals or masks in the face.
Are there other signs or symptoms present? If you have a history of allergies, this could also be the case. Anti histamine medications may be helpful with the itching. If it persists, it would be best to see your dermatologist for further evaluation and management.