The first wash with LactoPrebiotic®, it's clinically proven to help maintain a healthy pH to support the vulvar microbiome, fortifying natural defenses. Prebiotics are a source of food for beneficial bacteria present in the vulvar microbiome. Lactoprebiotic can provide food for these bacteria, which can help support a healthy microbiome. Our washes are always gentle, hypoallergenic, gynecologist and dermatologist tested. Our rigorous product testing ensures product integrity throughout shelf life.