Institutional Review Board Statement
The study was conducted in accordance with the Declaration of Helsinki. Study 1 was approved by the Ethics Committee of Kao Corporation (protocol code: T060-17926, date of approval: 17 October 2017) and Study 2 was approved by the Ethics Committee of Kao Corporation (protocol code; T232-190615, date of approval; 30 July 2019) and the Ethics Committee of Ueno-Asagao Clinic (protocol code: g2019004, date of approval: 7 August 2019).