PROCESS FOR THE PREPARATION OF ACTIVE PRINCIPLES ON THERMAL WATER AND COMPOSITIONS COMPRISING THEM

摘要

The invention relates to a process for the preparation of a cosmetic or dermatological active principle, comprising the culturing of at least one nonphoto-synthetic and nonfruiting filamentous bacterium on a medium comprising at least one nonsulphurous mineral and/or thermal water. It also relates to a cosmetic or dermatological composition comprising at least one bacterium of the genus Vitreoscilla or one of its extracts.