beauty items microneedling fractional rf microneedle machine skin tightening

disposable crystal head, disinfection with physiological saline before use, disinfection can be placed in a small bowl of the probe, alcohol can not be higher than the probe, the probe must not be residual water before operation, so as not to absorb into the machine damage to the machine cold application handle (this function is only available in h02 configuration).
product mix: essence, original liquid, gel type vessels.everything has that phenomenon of thermal expansion and contraction, and and cold physical therapy uses exactly this principle..syi