It is most commonly prescribed for eczema, cradle cap, acne, and itchy, oozing, or crusty skin eruptions, especially on the scalp, face, or behind the ears. the skin symptoms are often worse at night and may be accompanied by a strong-smelling urine. viola tricolor is also helpful in cases of incontinence or bedwetting (nocturnal enuresis) in children, especially when linked to skin issues or nervous sensitivity.