A hair care brand launches a new leave-in conditioner spray for salon professionals. The 250 mL bottles arrive from the filling line. The trigger sprayers arrive from a separate supplier. On assembly day, the triggers will not thread onto the bottles. The bottle necks are 28/410. The triggers are 28/400. Same diameter, different thread pitch, […]
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PCR Sustainable Packaging: A Manufacturer’s Guide to Post-Consumer Recycled Cosmetic Containers Three years ago, a European skincare brand sent us a sample request that changed our production floor. They wanted a 50ml airless bottle made from 30% post-consumer recycled polypropylene. We ran the first batch, and the bottles came out with a grayish tint and
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Airless vs Dropper Bottles: Manufacturer’s Comparison Guide Last month, a Korean skincare brand sent us two formulations and asked us to package both in dropper bottles. We ran compatibility tests in our Shaoxing factory and called them back within a week: the vitamin C serum was already oxidizing in the dropper samples. Airless pump bottles
Airless vs Dropper Bottles: Manufacturer’s Comparison Guide Read More »
