Does ichthammol ointment work?

Ichthammol. Ichthammol ointment is also known as black drawing salve. It is made of sulfur-rich shale and mixed with either a beeswax or paraffin base so it can be used to treat skin aliments. It is known for its anti-inflammatory, antibacterial and anti-fungal properties. It helps treat and clear up many minor wounds on humans and animals.