Shaving cuts the hair at the skin’s surface, trimming the hair to deliver a silky smooth finish. Meanwhile, waxing completely removes the hair’s root, damaging the hair follicle, which requires the hair to completely regrow from scratch. In terms of prepping the skin for your wax, you can exfoliate the skin for a smoother surface, but this should be done a few days beforehand. Then the days leading up to your appointment, you’ll want to make sure to moisturize the area. “It is essential that skin is hydrated prior to appointment,” de Olivera says. “Dehydrated skin tends to ‘hold’ the hair, which can result in breakage.” Petak continues, if you are planning on showering, use lukewarm or cooler water, as hot water can easily dehydrate the skin. “Also remember your skin is freshly exfoliated from your wax, so don’t use any harsh soaps or body washes that contain too many oils or leave a film on your skin.” (Here’s a list of gentle, hydrating soaps—if you’re curious).