A nicotine-containing pharmaceutical product configured for insertion into the mouth of a user of that product is provided. The product can have an outer water-permeable pouch, a nicotine-containing pharmaceutical composition situated within the outer water-permeable pouch, and product identifying information relating to the nicotine-containing pharmaceutical composition. The information can be presented such that a user of the product can discern the identifying information by visually inspecting the product and thereby differentiate or identify certain nicotine-containing pharmaceutical products. The product identifying can be, for example, printed, imprinted or dyed on the outer water-permeable pouch, positioned within the outer water-permeable pouch, or attached to the outer water-permeable pouch. The product identifying information can identify product brand, a company name, a corporate logo or brand, marketing messages, product strength, active ingredient, product manufacture date, product expiration date, product flavor, product pharmaceutical release profile, weight, product code, other product differentiating markings, and combinations thereof.