long-lasting effects the professional beauty machine release high focused energy to penetrate into the deep layer tissue for stimulating the production of collagen that increases the skin elasticity 7 heads for different parts equipped with 3 heads 0.8mm 1.3mm 1.5mm 3.0mm 4.5mm 6.0mm 10mm 13mm precisely acting on different body parts including forehead, cheek, neck face and body the energy is slightly over the epidermis, the surface is non-invasive, and the safety performance is high to ensure the customer is painless and comfortable. the effect of tightening and shaping can be seen immediately after treatment, which can last for at least 18-24 months at a time, and achieve negative growth for skin age once a year..syi