Like many skincare treatments, HydraFacial may reach the threshold of mild discomfort—but so too can a basic, often far less practical DIY approach that may only aggravate less-than-ideal conditions further. HydraFacial is much less likely to cause pain than other, more aggressive procedures. Of course, it always depends on each individual's skin quality and sensitivity, which invokes several other important considerations (such as dryness, pre-existing blemishes, and so on).