... 't hurt your nails. Professional Nail Art LED Builder Gel.Environmental protection, light use of LED, non harmful substances to the human ... do professional nails at home.Easy to use.Cure by LED lamp, which is Cold light, no harm to your skin ... dry, 30-60 secondsSize:26ml of eachColor:Clear, White, PinkPackage:3 X Professional LED Builder Gel Pink/Clear/White