Neem acts as a detoxifying agent. Neem has amazing antibacterial properties. They are helpful in the inflammation reduction and formation of pus too. The best way to treat cystic acne is by Neem. Take some Neem leaves and boil them in two-three cups of the water. Strain that water and leave it for some time. … Read moreHow to use Neem leaves for cystic acne treatment?