Is laser cosmetic surgery absolutely safe and risk-free? No, it is not. Many people are told in the beauty salon, do laser beauty, how good, how safe, the truth is really so? Laser beauty is also risky: 1, pain, even if the laser hair removal claimed to be painless ice point, to the final amount of treatment is still very hot pain (energy accumulation to the amount of treatment is bound to have the feeling), of course, the pain is generally with the end of treatment and termination. 2, erythema, purpura, blistering or crusting, the nature of laser action is thermal damage, so there will often be these kinds of performance, in most cases these symptoms are the symptoms that must accompany the treatment, sometimes the energy regulation and the body does not adapt to the performance. 3, hyperpigmentation, most people’s skin through laser beauty is able to achieve the effect of whitening and tightening, after laser beauty as long as attention to sun protection most people are safe, but for some conditions (melasma), some people (recent sun exposure, or photosensitive substances intake) may instead appear hyperpigmentation (skin color may be darker than before treatment), which requires up to several weeks to months of recovery. 4. Acne-like rash. In some cases, acne was originally treated, but the treatment instead induced an acne-like rash, usually temporary. Of course, there are also different treatments that may have other adverse effects. Therefore, there are risks associated with laser aesthetics, and treatment should be done with caution.