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The nozzle may be one of the smallest parts of a CBD vape juice bottle, but it has an important job. Rather than using a wide bottle opening, many refill-style liquid products use a narrow dispensing tip designed to give the user more control over where the liquid goes when the bottle is squeezed.
The nozzle, however, doesn't work independently. Its performance depends on the bottle's flexibility, the size of the opening, the liquid's physical properties, the cap and seal design, and how all of those components fit together. This is why seemingly simple 15ml refill packaging is actually the result of several design decisions.
In this guide, we'll look at why narrow nozzles are commonly used, what affects dispensing performance, why smaller isn't automatically better, and what consumers can learn from the packaging itself.
