I was very skeptical whether this really works. After applying, I was a little disappointed. It does not really work. My wife said, you see nothing. One day later, the effect occurred. It looked natural, and did not differ from my other hair. I have therefore immediately ordered a new package for the next month. Just a pity that you can not use partial quantities. I need only 1/3 of the pack. There is a bit pricey. However, this will change in the coming years.