How do you stop being tan in Animal Crossing Wild World?

There are several answers.

1. Wear a hat, sunglasses, and an umbrella.
2. Stay in your house!!!
3. Forward time to December*, and voila! Gone!
4. Keep shopping for medicine like a freak and hope it works.
5. DO NOT WEAR BLACK!
6. Don't go outside!!
7. Don't play Animal Crossing for 3 to 4 days.