Quote Originally Posted by fadingdaylight View Post
Typically, e-juice is comprised of 3 parts PG, VG, and flavoring. Propylene Glycol (commonly mistaken for ethylene glycol, which is a component of anti-freeze) is a humectant, commonly found in almost everything. From packaged foods to cigarette tobacco, PG is used to keep things from drying out, and is considered pretty much harmless by the FDA. Vegetable Glycerin is another common item in many foods. The flavoring is where most people get into trouble.

Normally, if a vape is too "dry" or "throaty", it is a result of a high PG ratio in the mix. Using those pre-filled pod type vapes typically means 50/50 PG/VG. This tends to induce coughing in a lot of people. Switching to a refillable type system and a juice that is more like 30% PG and 70% VG should fix this for her. There are also juices available that are 100% VG, but bear in mind that the PG is what Carrie's flavor, so full VG juices tend to have a weird, oily taste.

Different flavors can made a million ways, and some are produced with alcohol, which can become harsh. Artificial sweeteners can have the same issue, but natural sweeteners tend to gum up atomizer coils quickly.
Wow, someone knows there stuff about vaping. Thanks a bunch. Lots to think about. Been researching some of what you said especially about the 100% VG and the x-tra VG (30/70) She has tried and failed a couple of times and hated it because of the making her cough and not satisfying her. But her lungs are getting so bad even smoking is making her cough now. So I am trying to get it right and find something she will take to and like. I wish she could go somewhere that they let her try a disposable vape, but don't figure they have such a store. I feel like it might be a lost cause after these past fails. A person really has to want to quit or switch themselves for it to work.