Comfort Zone Skin Care in Skin Resonance line - in perfect harmony with your skin. Comfort Zone Skin Resonance is a complete treatment system for delicate, sensitive and reactive skin, with a tendency toward redness and couperose: thanks to the synergy of precious dermocompatibile active ingredients, it tempers excessive skin reactions, attenuating redness and encouraging stable and harmonic microcirculation, reinforcing natural skin defense, and reintegrating elements that are essential and vital for decongested, nourished, and compact skin.