The Caruso Professional® Molecular® Hairsetter was invented to finally give women the results that they longed for - long lasting curls and volume while keeping hair healthy, shiny and in great condition. The Caruso Professional® Molecular® system is a revolutionary process; tiny molecules of steam penetrate the hair shaft reforming the chain bonds to create healthy, strong beautiful curls. This hairsetter has been customized to give you the styling power to accommodate any and all of today's most popular hairstyles. The compact size also makes it ideal for home use.