1When used in wet to dry mode. 2When used in wet to dry mode vs. unstyled, untreated hair. 3When used in wet to dry mode vs. hot plate straighteners which operate with extreme heat. 4Time vs. existing routine. Based on the responses of 250 US Airstrait owners after min. 30 days of use, surveyed by Dyson in August 2023. Actual time saved may vary depending on the individual’s hair and styling routine.