About the Authors

Yoriko Sugiyama-Nakagiri

nakagiri.yoriko@kao.co.jp

Affiliation Kao Corporation, Akabane Ichikai-Machi, Haga-gun Tochigi, Japan

Tsutomu Fujimura

Affiliation Kao Corporation, Akabane Ichikai-Machi, Haga-gun Tochigi, Japan

Shigeru Moriwaki

Affiliation Kao Corporation, Akabane Ichikai-Machi, Haga-gun Tochigi, Japan

Competing Interests

All authors are employed by Kao Corporation. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: YSN. Data curation: YSN. Formal analysis: YSN. Funding acquisition: TF SM. Investigation: YSN. Methodology: YSN. Project administration: TF SM. Resources: YSN TF SM. Software: YSN. Supervision: TF SM. Validation: YSN. Visualization: YSN. Writing – original draft: YSN. Writing – review & editing: YSN TF SM.