human
What are some natural home remedies for acne?
assistant
1.  Apple cider vinegar: Apply a cotton ball soaked in apple cider vinegar to your face and leave it on overnight.
2.  Tea tree oil: Mix one part tea tree oil with two parts water and apply it directly to the affected area.
3.  Baking soda: Make a paste by mixing baking soda and water, then apply it directly to the affected areas.
4.  Olive oil: Massage olive oil into the skin twice daily.