Do: Always begin by removing any abrasives (sand, grit, anything that could scratch the surface). Unplug cable and power down Don't: Rub in circular motion Apply excessive pressure How to Clean an iPhone or Smartphone Holding the iCloth flat, wipe your iPhone surface from top to bottom in a straight downward motion, this will clean all the dirt, grease and grime off your screen. Flip the wipe, repeat as necessary. How to Clean an iPad, e-Reader or Android tablet Holding the iCloth flat, wipe the screen surface from top to bottom in a straight downward motion. Repeat across the width; this will remove all the dirt, grease and grime off your screen. Or, try the zigzag method, cleaning in a back-and-forth motion covering the entire display. As many e-readers have an inset screen, first clean around the edges and any build-up areas. Flip the wipe, repeat as necessary. How to Clean a MacBook laptop, Netbook, Chromebook, Touchscreen PC Monitor: Start in the build-up areas around the frame of your screen; wipe in straight motions, pulling contaminants away from these areas. Then, hold the wipe flat and wipe the screen from right to left, applying even but not excessive pressure. Flip the wipe, repeat as necessary. (For large screens, try our larger iCloth Avionics Wipes.) Common Misconceptions About Cleaning Devices with Alcohol Our purified water-based formula includes some isopropyl alcohol, which is safe for use on all screens. We have done extensive testing and research on the chemical resistance of the materials our products are used on. We do not use ethyl alcohol, which can be very dangerous on plastics and coatings. This is a common misconception, as not all alcohols are the same. Please visit our website for more detailed information.