Acne aestivalis (also known as Mallorca acne) is a monomorphous eruption consisting of multiple, uniform, red, papular lesions, reported to occur after sun exposure.
Acne aestivalis (also known as Mallorca acne) is a special form of polymorphous light eruption. It is a monomorphous eruption consisting of multiple, uniform, red, papular lesions, reported to occur after sun exposure.