 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  redness. It belongs to a class of drugs known as corticosteroids. This medication is a medium-strength corticosteroid. How to use Betamethasone Valerate Foam Read the Patient Information Leaflet if available from your pharmacist before you start using this medication and each time you get a refill. If you have any questions, ask your doctor or pharmacist. This medication is for use only on the skin. Apply to the scalp as directed by your doctor, usually twice daily (in the morning and evening). To apply this medication, turn the container upside down, and spray out a small amount on a clean, cool surface (such as a small plate or saucer). Dispense only enough foam to cover the affected areas on the scalp. Do not spray the foam directly on your hands since warm skin will cause the foam to melt too quickly. Using your fingers, scoop up some of the foam and gently massage it into the affected area until the foam is absorbed. Repeat until the entire affected area is treated. Discard any leftover drug from the saucer. Do not cover the treated area with bandages or other dressings unless instructed to do so by your doctor. Do not wash or rinse the medication off immediately after applying it. </s>