Our Penetrating "Boost" clears sinuses, relieves seasonal discomfort and supports well-being. Featured silver and salts help protect against many bacteria, viruses and germs. Made with Colloidal Silver, Himalayan Sea Salts, Proprietary blend of pure organic essential oils including Eucalyptus, Rosemary and Oregano, plus Menthol Crystals. .5 oz wt.