Zyns are super popular.They are little pouches people tuck into their lip to get a hit of nicotine.Zyn has competitors, like Velo and On!, but Zyn has most of the market.Young people love the pouches. They are safer than cigarettes. Their nicotine is addictive, but nicotine isn't what makes tobacco deadly. '(The) mix of chemicals -- not nicotine -- cause the serious health ...