4. Using the wrong razor
Think a multi-blade razor is the best for shaving? So did we! While multiple blades give a smoother shave, they actually damage your skin more. Here's how: the first blade cuts the hair and exposes the skin, then the next blade cuts the hair even shorter. The more blades, the shorter the hair—and the closer the shave. But this also causes irritation and ingrown hairs because you're shaving too close.
