Bacterial lysates are natural substances secreted by many bacteria in the process of life.these polypeptides inhibit the growth of other microorganisms. bacterial lysates up-regulate the immune system, maintain it in a state of alert and raise the defense against infections.this action provides a significant reduction (or a complete disappearance) in symptoms of microbial infections.uses in dermatologyin dermatology, bacterial lysates have a powerful skin cleansing effect. these preparations protect and restore damaged skin.