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I recently purchased the Revlon nail buffer for about $4.00. Revlon states that "Revolutionary nail buffer creates 400% more shine than bare nails. Buff nails to a topcoat shine in a matter of seconds... results that last for 3 days." The buffer was very easy to use and my nails were very shiny. My nails were smooth and shiny for about 5 days. I would recommend this nail buffer. I hope you will try it. The photo is from the Revlon site.