Viruses, head traumas, and other events can cause us to lose our sense of smell, a condition called anosmia. Scientific research has found that the sense of smell can be retrained by sniffing a collection of scents from different families of aromas. You can also use these sample packs to help train your nose to understand the scent families as listed below.
The idea is to sniff each sample for about 10 seconds. Use this pack after you have been using Nose Training One for several weeks. Even if you don’t have anosmia, this is a great way to learn about scent families and train your nose to recognize them.
Here are links to articles which discuss this concept: