The Dyson Supersonic Gentle Air attachment is engineered to be kinder to fine hair and sensitive scalps, Dyson's Supersonic Gentle Air Attachment diffuses the air, creating a gentle cooler airflow while style drying hair fast. It is to be used with the Dyson Supersonic hair dryer. Fast yet gentle styling Engineered to be kinder to fine hair and sensitive scalps, the new Gentle air attachment diffues the air, creating a gentle, cooler airflow - while still drying fast. In the box This contains the Gentle air attachment for the Dyson Supersonic hair dryer. The Dyson Supersonic hair dryer is sold separately.