Paratrex is made to remove harmful organisms from your whole body. While it is not intended to treat or prevent sinus infections, it may still be used to remove harmful invaders. Most people see the best results when using Paratrex within our advanced 40-day Harmful Organism Cleanse Program. Here you have more details: https://globalhealing.com/products/harmful-organism-cleanse-program. If you’re a customer in California, you may get a Prop 65 warning slip with your order that says the product contains chemicals that have health risks. While this does not pertain to a specific ingredient, and you can be assured that Global Healing products are safe and manufactured to the highest possible quality, California law requires companies to include this notice to comply with Prop 65. You can read more information at https://globalhealing.com/pages/prop-65. If you need more help, please contact us at 800.476.0016.