Bituminosulfonates are classified as local therapeutic agents with very good tolerability. Ichthammol does not have any corrosive properties on the skin. Black salve (escharotic paste) should not be confused with “black ointment” or “drawing salve”. The latter are typically ichthammolcontaining ointments used for skin conditions including psoriasis and eczema. They are not meant to be escharotics. Pharmacologically, Ichthammol has anti-inflammatory, bactericidal, and fungicidal properties. It is used to treat a variety of skin disorders as e.g. eczema, psoriasis, Acne rosacea and acne, and it decreases microorganisms in the area surrounding a skin condition. It is commonly used in 10% or 20% concentrate ointment, applied topically.