An excessive sweating - hyperhidrosis - or pathological blushing - erythrophobia or facial blushing - suffer in Germany over one million people. There is still little information and help. The team from the German Hyperhidrosezentrum want to change that. We have developed this app. With this app you have the first opportunity to stay in contact with us and to receive information from us - and anonymous! Unlike Facebook or Instagram nobody knows that you have and use the app. Also, do not we. Thus one sees that you are looking for hyperhidrosis or erythrophobia, whether you read info or watch videos.