Pluckers and Threaders are usually the best at eyebrow shaping, but if you want to keep that shape forever, you need to have an electrologist maintain the shape they create.
Many people get a perfect shape and let the permanent hair removal pro's take it from there. If you are really lucky, you will have an electrologist in your area who is good at shaping as well.
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Setting a goal is not the main thing. It is deciding how you will go about achieving it and staying with that plan. --- Tom Landry