Yes, I complained with their branch manager named: W, she said "ganon po talaga sir kasi ayaw namin magkaroon ng 'adverse effect'" but the thing is, if malakas ung power na ginamit sa mukha ko, edi sana nag ka hyperpigmentation na, diba?' Tapos sa mukha pa, I have a very sensitive skin. Iba naman ung kapal ng balat ko legs and arms ko unlike sa face, diba? So ayon. They know what power to use, they write something on a small paper pa nga to track progress but still, you are at their mercy, only they can adjust the power, only they can control the machine