It penetrates the skin and removes the secretions which if allowed to remain will cause blackheads and pimples.
Lemon juice is also an old remedy for the removal of freckles and blackheads from the face.
The nematode causes a disease condition called toppling or blackhead disease in plants.
It is a form of blackhead disease in poultry.
Oily skin is usually prone to blackheads, whiteheads, spots and pimples.
Oxidation rather than poor hygiene or dirt causes blackheads to be black.
A comedo may be open to the air (blackhead) or closed by skin (whitehead).
