Why use the hifu ultrasound skin tightening machine

HIFU ultrasound high frequency facial machine reach 1.5mm to 4.5mm deepth to SMAS layer. 
SMAS layer is an important pulling key when surgical face lift treatment time.
So HIFU skin tightening machine greatly exceeded the previous limit.
It is the first non-invasive way to treat energy equipment. 


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reprinted:  http://www.skin-analyzer.com/other/2248.html