To date, only a few specialized suppliers propose primarily ultrasound-inactivated bacterial extracts from lactic bacteria or yeasts for potential use in cosmetic products. Many authors have demonstrated that certain bacterial extracts (Bacillus coagulans, Lactobacillus johnsonii, Lactobacillus casei, Lactobacillus plantarum and Lactobacillus acidophilus) have anti-adhesion and anti-microbial properties when applied to cutaneous and mucous surfaces