Absolutely. The i:X uses violet light, which is safe to be around, rather than ultraviolet (UV) light to illuminate bacteria. The i:X device is a Risk Group 1 device, and the laser is a Class 1 laser. This signifies that the gadget does not generate enough energy to harm skin or eyes in typical usage.
It is not necessary to use safety glasses. However, it is not recommended that the gadget be pointed directly into the eyes.