Hello It's very important to see the problem before suggesting you any medication. If they are post acne scars, then steroids won't help much. As of now, apply good sunscreen three to four times. Day, increase intake of vitamin c rich food, antioxidant . For proper advice , better s to consult dermatologist in person

This is limited details and more precise information is needed about your skin condition which can help in planning a treatment. A thorough history, clinical examination is warranted. A photograph would have been helpful. Consider seeing a Dermatologist for proper diagnosis and treatment plan. You are fortunate that nothing happened with so much steroid application on the face, Kindly meet an expert now.