high quality roller better than the quartz ones [SEP] sand sky makes great products it is only natural that they should extend their skincare line with this massage tool i own many quartz facial rollers but this one is high quality and well made it works similar to the refa carat tool but without the high price tag it pinches your skin a bit when you roll it but that is necessary to improve skin circulation in addition to anti aging benefits it is also great for smoothing out any moisturizer or makeup foundation you have applied and prevents caking overall it is a great tool and i love using mine with sand sky gels and moisturizers