Skin-scan: Hand Protection is a free app for scanning the hand and the body for harmful germs and other substances. The app uses your phone's camera to detect whether or not you have been exposed to a dangerous substance. It also gives you helpful tips on how to prevent further harm.

How to use the app

The first thing you need to do is allow the app to access your photos and camera. The next thing is to scan your hands under the camera. The last thing is to wait for the results, along with some friendly advices.

What you should do to protect your hands

Every day, you need to wash your hands. The more you wash them, the more healthy you will be. You should also make sure that you are not exposed to germs and other harmful substances.