Is Flour sulfur Safe in Breastfeeding

I am a breastfeeding mother and i want to know if it is safe to use Flour sulfur? Is Flour sulfur safe for nursing mother and child? Does Flour sulfur extracts into breast milk? Does Flour sulfur has any long term or short term side effects on infants? Can Flour sulfur influence milk supply or can Flour sulfur decrease milk supply in lactating mothers?

Flour sulfur 5% to 10% in a petrolatum base is safe for topical use in children, including infants under 2 months of age.[1] This makes it a useful alternative to organic insecticides for treating scabies in nursing mothers; however, the petrolatum base makes undesirable for use on the breast.