The study was released in 2019 and showed that when done efficiently, the length of a full skin exam done by a dermatologist was 75 to 243 seconds for a total body skin exam. The skin exam done in the study was designed by engineers to be maximally efficient. The average length of a full skin exam in the study was 152 seconds, or approximately 3 1/2 minutes. Other studies that included use of dermoscopy reported that the length of a full skin exam was about six minutes when done by a dermatologi