Preservative, as a tag for trends, is all about keeping things fresh and lasting. At the core, it's about ensuring that products, recipes, and medicines maintain their potency and usability for as long as possible. It's no wonder that health products, dosage forms, and specific eye drops are on the list – after all, we want to ensure that our bodies remain in tip-top shape. But Preservative goes beyond just health – it also includes food drying and salt formation, both of which are essential for preserving many of our favorite dishes. And let's not forget about boric acid – a mighty preservative that's been around for centuries. Ultimately, the trends under Preservative all point to the importance of making things last – whether that's for your health, your culinary creations, or something else entirely.