Well, in short, according to 21 CFR 73.2150 and 21 CFR 70.3v of the FDA regulations, DHA is restricted to external application only when using sunless tanning products. This means no lips no inhalation from sprays just medicals fake simple topical additions.
Now for the medicals fake carrot aspect of giving up smoking more kisses and hugs when you no longer smell and taste like a dirty ashtray. Your home, car and office will no longer be coated in a yellow oily film that is the residue of the smoke you exhale. Your appearance will improve as the dryness of your face and the ensuing wrinkles gradually disappear. That puckered upper lip will gradually smooth out, making you seem years younger.
Back in the 1970's, DHA was approved by the FDA. Keep in mind this was only for topical applications, because who would have thought people would spray a fine mist years down the road. The development of issues started to arise thanks to the contact with the lips, lungs, medicals bad and fake other sensitive membranes, which of course meant it went to people's blood stream.
There are no serious medical conditions involved, so your dental physician is not required. If that is the case with you, take heart - most of us have a bout of bad breath from time to time, so first of all stop worrying.
If you're reading this chance are you might be thinking about having unnecessary surgery because you think that you've tried everything and nothing worked. You think that surgery is your only option. Before you dive in let's take a look at an alternative that might just give you a boost. Surgery is very risky and has been described as such by the medical industry itself as well as never getting to the real issue.
It would be nice to believe that nothing will happen to you, but the reality of it is that an ounce of protection could be worth more than a pound of cure. What is Worth Protection to you? Your belongings? Your family? Your personal well-being?