When it comes to beauty projects, the FITTER 4-Needle is a highly sought-after assistant. With its unique 4-needle design, it works precisely on the deeper layers of the skin. During operation, professional beauticians use it for meticulous operation, which can effectively stimulate collagen regeneration and improve skin laxity. For acne scars, fine lines and other problems, it can also be repaired in a targeted manner, making the skin gradually firmer and smoother.