Mometasone topical is used to relieve redness, swelling, itching, inflammation, and discomfort from various skin conditions, including psoriasis (a skin disease in which red, scaly patches form on some areas of the body) and eczema (a skin disease that causes the skin to be dry, itchy and sometimes develop a red, scaly rash. It works by activating natural substances in the skin to reduce swelling, redness and itching. Mometasone is a topical corticosteroid medication. It is known as a "potent corticosteroid". These medications are applied to the surface of the skin to reduce redness and itching caused by some skin problems. It is used to avoid skin irritation and reduce skin redness, itching and dryness caused by eczema.