About the Authors

Lily Mijouin

Affiliation Laboratory of Microbiology Signals and Microenvironnement LMSM, EA 4312, Normandie Université, Université Rouen, Evreux, France

Mélanie Hillion

Affiliation Laboratory of Microbiology Signals and Microenvironnement LMSM, EA 4312, Normandie Université, Université Rouen, Evreux, France

Yasmina Ramdani

Affiliation GlycoMev EA 4358, Normandie Université, Université Rouen, Mont-Saint-Aignan, France

Thomas Jaouen

Affiliation Laboratory of Microbiology Signals and Microenvironnement LMSM, EA 4312, Normandie Université, Université Rouen, Evreux, France

Cécile Duclairoir-Poc

Affiliation Laboratory of Microbiology Signals and Microenvironnement LMSM, EA 4312, Normandie Université, Université Rouen, Evreux, France

Marie-Laure Follet-Gueye

Affiliation GlycoMev EA 4358, Normandie Université, Université Rouen, Mont-Saint-Aignan, France

Elian Lati

Affiliation Bio-EC Laboratory, Longjumeau, France

Florent Yvergnaux

Affiliation BioEurope Research, Anet, France

Azzedine Driouich

Affiliation GlycoMev EA 4358, Normandie Université, Université Rouen, Mont-Saint-Aignan, France

Luc Lefeuvre

Affiliation Dermatologic Laboratories Uriage, Courbevoie, France

Christine Farmer

Affiliation Laboratory of Microbiology Signals and Microenvironnement LMSM, EA 4312, Normandie Université, Université Rouen, Evreux, France

Laurent Misery

Affiliations EA 4685 University of Western Britanny, Brest, France, Department of Dermatology, University Hospital of Brest, Brest, France

Marc G. J. Feuilloley

marc.feuilloley@univ-rouen.fr

Affiliation Laboratory of Microbiology Signals and Microenvironnement LMSM, EA 4312, Normandie Université, Université Rouen, Evreux, France

Competing Interests

The authors have the following interests. This work was supported by public funds obtained in the framework of the FUI program Skin-O-Flor certified by the world’s leading perfumery cosmetic network Cosmetic Valley. Elian Lati is employed by Bio-EC Laboratory, Florent Yvergnaux by BioEurope Research and Luc Lefeuvre by the Dermatologic Laboratories Uriage. Biogalenys SAS assisted with the HPLC analysis of cereulide. There are no patents, products in development of marketed products to declare. This does not alter the authors’ adherence to all PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: L. Mijouin MGJF. Performed the experiments: L. Mijouin MH YR TJ CD-P M-LF-G. Analyzed the data: L. Mijouin MH TJ FY AD LL MGJF. Contributed reagents/materials/analysis tools: FY LL. Wrote the paper: MGJF L. Mijouin CF L. Misery. Technical and scientific discussion: EL FY AD LL L. Misery.