Comfrey salve is made from the leaves and infused in sunflower oil. It also contains shea butter and beeswax. This is to be used typically for bruises, sprains and to reduce inflammation in ligaments and tendons. This can also be used to alleviate eczema or psoriasis. It can also soothe sunburn redness. Comfrey is for external use only, do not use on open wounds and we recommend you use it for no longer than 10 days at a time and for no more than 4 to 6 weeks per year. 
This is not intended to treat or diagnose, please consult your medical professional for further information.