by 
The Curious Bag
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<h4 class="dechead">On One Hand: They Do Clean and Exfoliate
Blackheads are caused by excess oil in the skin, which causes infected pores that lead to blackheads. Blackhead erasers are usually small machines gently rotate cleansing pads. If used correctly, blackhead erasers should clean your skin and remove dead skin layers, which may lead to the disappearance of existing blackheads and discourage the formation of new ones.
On the Other: You Can Clear Blackheads in Other Ways
The key concept when fighting blackheads is clean skin. Any method by which you clean your skin often and thoroughly without completely drying it should work against blackheads. Always using oil-free, water-based skin care products and regularly exfoliating is recommended by an article in Marie Claire, and doesn't require buying an expensive machine.
Bottom Line
Blackhead erasers do generally do what the manufacturers say they will: they clean the skin and gently exfoliate. However, blackheads can be prevented and cleared up in ways that cost less and are just as effective, so while these gadgets may be tempting, they aren't necessary.
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