As you may or may not know from your own experience acne is a pest for teenagers, and for some, continues to be a nuisance through adulthood.
Picking is a double-edged sword. If you pick a new, developing lesion, you may drive it deeper and cause greater inflammation and potentially deeper scarring.
The comedone extractor tools removes dirt, oil and other contaminants from the skin. If these comedones are left untreated it can further the infection, stretch the pore out eve more and in some cases, cause scarring or develop into a large sore.