"Find the idea and application really super. I like it well! Unfortunately, after 2 days something has already come off. Have done everything according to instructions and the nails well prepared. That's exactly what I told the customer service and asked for advice. In addition, I asked whether I have to take off the nails now, because now yes very easy germs could come under the powder layers. This was the answer: "Hello E... , if used correctly, a dip powder set can last 4 - 6 weeks. Take a close look at the video instructions again. Yours sincerely A.. "I personally find a cheek, because my questions were obviously not even read.