The Remington steam straightener is a hair styling tool that uses steam technology to straighten and smooth hair. It works by emitting a continuous stream of steam while clamping down on sections of hair, which helps to reduce frizz and create a sleek, straight finish. The steam also helps to hydrate the hair, making it less prone to damage from heat styling. The Remington steam straightener typically has adjustable temperature settings and different heat settings to cater to different hair types and styles. It is a popular choice among those who want to achieve straight hair without causing excessive heat damage.