Disclosed are hair analysis systems and methods comprising: (a) a step to capture an image of a user at an image capture unit and to send the image from the image capture unit to a hair analysis unit; (b) a step to analyze the user's hair condition at hair analysis unit, based on the image from the image capture unit by using a deep neural network, and to provide an analysis result to a display unit; and (c) a step to display at a display unit the analysis result to the user. The present invention provides the system and the method with an improved sensitivity.