: Crystal machines are notoriously harder to clean. The crystals can easily clog the tubing if not maintained perfectly, whereas diamond-tip machines generally only need simple filter replacements. Skin Compatibility : Crystal : Best for oily or tough skin and deeper scarring.
: Most high-powered crystal machines are intended for professional use only and may require specific state licensing or certifications to operate safely. Professional units offer much higher suction (up to 70–80 kPa) compared to home-use devices.
: Unlike diamond-tip machines, crystal units require you to frequently purchase and replace the abrasive crystals . These can be heavy and expensive to ship.