Olivia Garden Essential Blowout Classic Hair Brushes The Olivia Garden Blowout Classic offers a range of professional, lightweight thermal radial brushes that are designed with optimal airflow to streamline blowouts and minimize wrist fatigue. These brushes can withstand high temperatures up to 190°, making them ideal for blow-drying. Additionally, their air-permeable cap dissipates heat for a gentle experience on the hair and scalp, while the seamless transition from brush body to handle prevent hair tangling.