Calaso PP 18-DIN Tamper Evident Screw Cap with 0.7mm Vertical Dropper

What this packaging is

A 0.7mm vertical dropper orifice built into a tamper-evident closure — that's the precision-first thinking behind the PP 18-DIN Tamper Evident Screw Cap with Vertical Dropper. Made from white polypropylene with a DIN18 III-D thread, this European-manufactured closure pairs consistently with a wide range of glass bottles used for face serums, hair oils, and other low-viscosity actives. The tamper-evident ring adds consumer-facing reassurance, while the controlled dropper tip reduces waste and supports accurate dosing per application. With minimums as low as 50 units, it's genuinely accessible for small-batch launches or limited runs — a rare find in professional-grade closures.

Why brands choose this

• 50-unit minimums open real doors: An MOQ of just 50 units makes this a legitimate option for indie brands, indie formulators, or limited-edition product launches — no need to overcommit inventory before you've validated demand in market.
• Dose control that supports the serum and oil ritual: The 0.7mm vertical dropper orifice is sized specifically for low-viscosity liquids like face serums and hair oils, delivering a consistent drop count per use. Precision dispensing is increasingly expected by skincare consumers and reduces product waste — both a functional and brand equity win.
• Tamper-evident seal adds consumer trust at a critical touchpoint: The integrated tamper-evident ring gives end consumers visible reassurance that a product hasn't been opened or compromised — especially important for active serums and scalp treatments where ingredient integrity is a core part of the brand promise.