Not a bad tool, but you need to remember that it hides gray hair, i. E. does not paint over all the hair - from afar, the wow effect, but, when approaching, you can see the protruding gray hairs. If for one reason or another you are afraid to paint, then as the first remedy, I recommend it for testing. Washes off fairly quickly. However, it is easy and simple to apply. Tip: don't overdo it! Otherwise, you will get a dark shade on your hair. More than 5 minutes - already at your own peril and risSee full review