Hello
Pimples occur due to hyperactivity of your oil glands and certain skin changes which occur at this age due to hormonal surge. Please visit a qualified dermatologist for examination of skin and treatment will depend on type of pimples and its severity. You need to be patient to see results and then maintenance is also needed. Don't expect magical results as shown in advertisements. They all are misleading. No face wash can cure pimples.
Next Steps
A qualified dermatologist will give you genuine information about your pimples and strictly follow his advise. Stay away from quacks who promise easy cure.
Health Tips
Avoid self medication else you may land up with severe side effects on your skin.