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 hair styles. THey provide anti-bacterial protection and keeps hair healthier, which makes it easier to style. They come with extra large vents that allow greater airflow and that reduces drying time. They add more shine to the hair while eliminating frizz and flyaways.