👉 Sulphotungstic is a medical condition that occurs when cells in the body produce too much a type of pigment called melanin. This can cause problems with skin, eyes, and other parts of the body. The specific chemical component of this pigment is often referred to as "sulphophenyl" or "sulphophthalamid." It's not uncommon for people with sulphotungstic to develop symptoms like dark spots on their skin (melanomas