I don't really use it for the cold. I use this because I have to sit under the hair dryer for 2-3 hours at the hairdresser's! (I have locs so it's a process lol). The hairdresser gave me plastic ear plugs but my ears hurt because the plastic was heated by the hair dryer! I usually use headphones, when I'm under the dryer just dampen them a bit with water. and put them in my ear! Much better and fits very well! Will definitely buy again!