Common home remedy for pimples is toothpaste. Use the paste variety, not gel and gently apply a small drop directly on top of the blemish and let it dry. This will draw the pimple out and leave you blemish free. If left on too long, the skin may become irritated.
Also juice of raw papaya is the best treatment for pimples. Apply fresh juice of raw papaya on pimples and get a good result.