Each blade equals a dollar shaved from your pocket, that’s why 😉 In theory, with a lot of care and a good blade, the single blade can offer the best shave. In reality, more blades means that the first blade lifts the hair follicle when cutting it, allowing the second to cut it at an ever-so-slightly lower level and so on. There are downsides to using multiple blades though, such as an increased risk of irritation.
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