Yes, you can apply Metronidazole gel on your face, but only if it has been prescribed by your doctor. It is a common topical treatment for facial skin conditions like rosacea, which helps reduce redness, inflammation, and pimples. To use it, first wash your face with a gentle cleanser and pat it completely dry. Apply a thin layer to the affected areas as directed, usually once or twice a day. Avoid getting the gel in your eyes, nose, or mouth, as it can cause burning and irritation. If contact occurs, rinse well with water. Always follow your doctor's specific application instructions.