... skin, no side effects; 6. Easy to use, no need of professional personnel; 7. Comfortable, painless, non-invasive and no downtime; ... 100% safety7. No hurt to the skin cell, no side effect8. Simple operation, no need of professional training9. Longer ... of light source for face treatmentTreatment applicationsRemoval: Whelk, Macula, and FolliculitisImprovement: Coarse Pore, Flabby Skin, thin Wrinkle, Gray ...