Fotona Ladylase™uses the non-invasive mode erbium laser of Germany's Fotona Eurostar patented technology. With a 360-degree ring-shape laser probe and precise constant temperature positioning technology, a uniform heating layer is formed on the surface layer of a few hundred microns in the vaginal mucosal tissue, which stimulates and promotes the contraction, regeneration, and reorganization of collagen fibers, thereby improving the vaginal environment, increasing lubrication, elasticity and sensitivity, curing inflammation and relaxation, stress urinary incontinence, with the effect of perineum light color and vulvar correction beauty.