laser machine oxygen spray facial skin rejuvenation whitening beauty machine, Black

nd:yag wavelength is effective for reaching the deepest layers of the skin, while the er:yag wavelength is ideal for brushing away surface imperfections to reveal visually attractive nd:yag laser technology provides the power and performance needed to handle a wide range of aesthetic applications, from skin rejuvenation and acne and much more vaginal tightening laser does not produce skin burns due to high temperature , each capable of homogeneous heat , acting on a few hundred nanometers thickness mucosa organization ..syi