| Nifursol is the last histomonostat still to be permitted in the EU for use as an additive in poultry feed to prevent blackhead disease. |
| Cottage Industry clay face mask of sandalwood is best for skin who have acne and blackhead. |
| Ten million turkeys being reared for the festive period are at risk from blackhead, a parasitic liver disease which causes birds to waste away. |
| Meanwhile, this beauty equipment is also suitable for removing blackhead and acne. |
| However, blackhead can be efficiently controlled through good management and biosecurity practices. |
| If the plug enlarges and is on the surface of the skin, exposed to the air, it is called an open comedo, or blackhead. |
