Nigrifix CreamFixderma Nigrifix Cream is a specialised skin cream designed to help reduce darkened, rough patches on body areas such as the neck, elbows, knees, underarms, back, and knuckles. It targets hyperpigmentation and thickened skin often seen in conditions like acanthosis nigricans and places with friction related darkness. The cream has a non greasy texture and blends well into the skin.