I dip Q-tips in hydrogen peroxide and swap each ear canal(gently) and inside the very tip (not sticking it in deep) of each nostril about 4 times throughout the day I first have symptoms It really works. My husband and kids won’t bother with the hassle of taking 45 seconds to do this and all end up with lingering colds every year. I have yet to get a cold or sinus infection since I read about using hydrogen peroxide this way.
Very inexpensive and easy.
That is interesting.