For years, patients with atopic dermatitis, eczema, acne, and rosacea have been walking in a vicious circle: exacerbation, use of hormonal (corticosteroid) ointments, temporary relief, and then an even stronger relapse. Classical dermatology often considers these diseases exclusively as a local skin problem. However, modern evidence-based 4P medicine proves: the skin is only a mirror of our internal state, and the real control panel for inflammation is in the intestines.