Olivia Garden's Nano Thermic brushes are brushes with unique bristles designs, they have special wavy heat resistant bristles with soft tips that are gentle on hair and scalp. They heat up faster and retain heat longer which gives you superior and long-lasting hairstyles. THey provide anti-bacterial protection which keeps hair healthier and that makes it easier to style. They have extra large vents, which allows greater air flow and that helps cut down on drying time. They add more shine to your hair while eliminating frizz and flyaways.