&quot;Verification of effectiveness of facial muscle training by PAO&quot; also published in medical journal <br> A paper examining how continuing facial muscle training by PAOs will have an effect on graphed lines, wrinkles, and sagging is described in a medical journal, &quot;Advanced Mental Health Beauty Vol. .02 &quot;(issued on November 30, 2015). <br> The contents of the thesis that the facial muscle training by the PAO acknowledges the improvement effect against victim line, wrinkle, and sag is announced. <br> Please read the instruction manual and use it correctly.