There are several ways to help prevent pimples from forming on your face:

1. Maintain a consistent skincare routine: Use a gentle cleanser suitable for your skin type to cleanse your face twice a day. Avoid harsh scrubbing that can irritate the skin.

2. Stay hydrated: Drink plenty of water to keep your skin hydrated and healthy.

3. Healthy diet: Consuming a balanced diet rich in fruits, vegetables, and whole grains can help promote healthy skin.

4. Regular exercise: Physical activity can help improve blood circulation, which is beneficial for the skin.

5. Avoid touching your face: Touching your face with dirty hands can transfer bacteria and oil, leading to breakouts.

6. Use non-comedogenic products: Choose skincare and makeup products labeled as non-comedogenic, meaning they won’t clog pores.

7. Manage stress: Stress can worsen acne, so practicing stress-reducing activities like meditation or yoga can be helpful.

8. Get enough sleep: Lack of sleep can contribute to skin issues, so aim for 7-9 hours of quality sleep each night.

Remember, prevention methods may vary for each individual, so it may take some trial and error to find what works best for you.