Christiane Billen, born in 1969, pharmacist and naturopath, not only wants to use the new Quantum Satis series to educate people about acne inversa (AI, hidradenitis suppurativa), but above all to give hope: The disease acne inversa, which was once classified as "rare", is increasingly becoming the focus of the treating physicians and also of research - and is no longer considered incurable! This is not a matter of course: just 10-15 years ago, the state of research was felt to be almost zero. In many cases, the lack of awareness of the disease led to incorrect diagnoses over the years; In some cases it took more than 10 years until patients received the correct diagnosis after a frustrating doctor's marathon and were thus given a chance to be treated in accordance with the guidelines. So that the chronic course of the disease could at least be slowed down. With the therapeutic options that are now available, however, more and more AI patients have the chance of a pain-free and stress-free life. Not within a few days, but for the foreseeable future if they are willing to do something about it. The earlier the correct diagnosis is made, the better the chances. For this reason, it is also of immense importance that awareness of the disease continues to increase. Therefore, this series of books is also aimed at anyone who has repeatedly suffered from abscesses, "pimples", boils and fistulas within the last six months. And also to their relatives and friends. "In many years of being self-employed in my pharmacy, originally from my own concern (AI patient up to 13 years ago, or the last operation in 2010), my consulting focus on acne inversa developed and meant that I helped numerous people on their way Acne inversa and also from the AI was allowed to accompany. This knowledge should now be a help and hope for even more people. Since acne inversa develops multifactorially, it is often the "little things"... It is the recognition of individual triggers in combinati