Ingredients used in tobacco products been banned?

I don't understand what you're asking but if you meant like the ingredients then the most dangerous compounds are tar, carbon monoxide, nitrogen oxides, hydrogen cyanide, metals, ammonia, and radioactive compounds. One major ingredient is nicotine, the addictive drug found in tobacco smoke.
—You're welcome and if this isn't what you're askingoh well at least I tried

What are you trying to ask so I could help and answer ??