Medically reviewed by William Truswell, MD Dandruff is a mild form of seborrheic dermatitis caused by an overgrowth of the yeast (fungus) Malassezia. It causes oiliness, dryness, white or yellow ...
A topical treatment combining calcipotriol and 5-FU shows promise in reducing premalignant lesions and lowering skin cancer risk by activating Th2 immunity.