For handling: The contents can no longer be seen when the tube half full actual Trying to do it nonetheless ends in a eingesautem carpet. The LED is extremely weak and it takes a quarter of an hour to a Euro coins Large surface to harden properly. Since the LED instead of a switch has a bendable wire, it was permanently on after the 3rd application. And who has read the review previously guessed it: The batteries are not interchangeable without tweezers and a lot of patience.
Unfortunately, the development budget in the product is probably flowed completely into marketing.