This thanks to several decades of studies and experimental researches. Today, the Nutraceutical market can benefit from this wide experience, providing customers with products that, thanks to the gut microbiota modulation, have several positive effects on human health. The Personal Care field, in comparison, is a real beginner! Only recently Cosmetics discovered the importance of Skin microbiota, in this field the studies and experiments are definitely more recent. Nevertheless, it is undeniable that the study of skin Microbiota constitutes a growing trend and a fascinating and important challenge for both the R&D and marketing of the Personal Care field.