Noson, opinions and questions

Hello, I often get infections. I stay in dry rooms. I try to moisturize the rooms, but I feel dry in the nose. I read about the robotac spray and I see that it contains isopropyl myristate and bht antioxidant plus other ingredients that seem safe with long-term use. In contrast, the noson product contains itself Sesame oil Which of these products should moisturize the nose better And whether the ingredient lo isopropyl myristate and the antioxidant bht have side effects