Zyn pouches are made by filling small, tea-bag-like sachets with a blend of nicotine, plant-based fillers, pH adjusters, sweeteners, and flavorings. Unlike traditional tobacco products, there’s no tobacco leaf inside. The nicotine is extracted from tobacco plants and then combined with food-grade ingredients into a dry or slightly moist powder, which is portioned into individual pouches and sealed in cans.
What’s Inside a Zyn Pouch
Each pouch contains roughly a dozen ingredients that fall into a few categories, each serving a specific purpose. The structural base is built from four ingredients: microcrystalline cellulose (a plant fiber commonly used in tablets), hydroxypropyl cellulose (a thickening agent), gum arabic (a natural tree resin), and maltodextrin (a starch-based filler). Together, these give the pouch its shape, hold the powder together, and create the texture you feel against your gum.
Three ingredients manage the chemistry of nicotine delivery: sodium carbonate, sodium bicarbonate, and water. These pH adjusters make the environment inside your mouth slightly more alkaline when the pouch is in use. This matters because nicotine absorbs through oral tissue much more efficiently at a higher pH. Without these buffers, the nicotine would sit in the pouch without crossing into your bloodstream nearly as well.
Two artificial sweeteners round out the base formula: acesulfame potassium and sucralose. Both are calorie-free and widely used in food products. They mask the naturally bitter, peppery taste of nicotine and the alkaline salts.
How the Flavors Are Created
Zyn uses food-grade flavoring compounds to produce its range of flavors, from mint and citrus to coffee and cinnamon. The mint and cool-sensation flavors rely on more than just natural mint extract. Chemical analysis of Zyn pouches has identified synthetic cooling agents, particularly a compound called WS-3, which triggers the same cold-sensing receptors in your mouth that menthol does. In cool-flavored varieties, WS-3 was detected at roughly 0.25 milligrams per pouch.
Interestingly, not all Zyn varieties contain these cooling compounds. Testing of “Original” and “Smooth” varieties found no detectable levels of menthol, WS-3, or another common coolant called WS-23. The cooling sensation is exclusive to the mint-style flavors. While the FDA has approved synthetic coolants like WS-3 for use in food, their long-term effects when absorbed through oral tissue haven’t been fully studied.
The Nicotine Source
The nicotine in Zyn is pharmaceutical-grade nicotine salt derived from tobacco plants. The tobacco leaves are processed to extract pure nicotine, which is then converted into a salt form (typically nicotine polacrilex or a similar salt). This salt form is more stable than freebase nicotine and allows for precise dosing. Each pouch contains either 3 or 6 milligrams of nicotine, depending on the strength. Because the nicotine is isolated and purified, the final product contains none of the leaf matter, tar, or combustion byproducts associated with cigarettes or even traditional snus.
Manufacturing and Quality Controls
Zyn pouches sold in the United States are primarily manufactured at a facility in Owensboro, Kentucky, operated by Swedish Match under its parent company Philip Morris International. The site underwent a major expansion in 2024, with PMI investing more than $230 million and adding approximately 450 jobs to meet surging demand. At peak production, the facility ran 24/7 continuous operations, though some production lines have since scaled back to five-day schedules as the market stabilized.
The manufacturing process itself borrows from pharmaceutical and food production methods rather than traditional tobacco processing. The dry ingredients are blended in precise ratios, the nicotine salt and flavorings are added, and the mixture is portioned into pre-formed fleece pouches by automated filling machines. The pouches are then sealed, inspected, and packed into the round plastic cans.
Quality standards trace back to Swedish Match’s GothiaTek standard, originally developed for Swedish snus. This framework sets maximum allowable levels for tobacco-specific nitrosamines (cancer-linked compounds that can form during tobacco processing) and other contaminants like heavy metals. Because Zyn uses purified nicotine rather than whole tobacco, it avoids many of the contaminants that the GothiaTek standard was designed to limit, but the testing protocols still apply to the finished product.
Why the Pouch Feels the Way It Does
If you’ve used a Zyn pouch, you’ve noticed it starts dry and slim, then gradually softens and releases flavor over 20 to 40 minutes. This is by design. The cellulose and gum arabic base absorbs saliva slowly, which activates the pH adjusters and dissolves the flavoring and nicotine salt. The pouch essentially uses your own saliva as the delivery mechanism. As moisture seeps in, the alkaline environment forms, the nicotine converts to a more absorbable state, and it passes through the lining of your gum.
The US versions of Zyn tend to be drier than some European nicotine pouch products, which come pre-moistened. A drier pouch has a slower onset but a longer, more gradual nicotine release. It also produces less drip, meaning less nicotine-laced saliva that you’d need to swallow or spit. The slim, dry format is a deliberate engineering choice aimed at making the product discreet and comfortable for extended wear.