Mexo Gentian Violet Solution is a topical antiseptic medication used for treating fungal skin infections, ulcers, and boils. This 30ml solution comes in a dark bottle with a white cap and should be applied directly to affected areas of the skin. This product should not be applied to mucous membranes. Avoid contact with eyes or broken skin. For external use only. The solution contains gentian violet as the active ingredient which has antimicrobial properties.