Human: I'm looking for some good natural remedies for acne. Any suggestions? Assistant: 

1. Make sure to wash your face twice a day with lukewarm water and a gentle cleanser.
2. Exfoliate regularly, at least once a week.
3. Use an oil-free moisturizer every day.
4. Try using tea tree oil or witch hazel on the affected areas of your skin.
5. Drink plenty of water and avoid sugary drinks and dairy products.