Closures DIN18
White Smooth Matte Glass Dropper, 71 mm
White dropper, matte smooth, 71 mm is a cap with a glass tube and a silicone bulb for bottles with an 18/410 neck finish. It allows precise dispensing of liquid preparations drop by drop. full description
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Product description
White dropper, matte smooth, 71 mm is a cap with a glass tube and a silicone bulb for bottles with an 18/410 neck finish. It allows precise dispensing of liquid preparations drop by drop. It suits all situations where the customer needs to measure a small amount – for facial serums, oil blends, tinctures, or concentrates of active ingredients. The white matte cap with a smooth surface looks clean and understated, coordinates with clear as well as brown or blue glass, and lets the label stand out.
The dropper has three parts: a cap made of polypropylene (PP) with a thread, a glass tube, and a silicone bulb. Glass does not react with the contents, so the dropper is also suitable for formulations that can be harmful to plastic over time – vegetable and essential oils, alcohol-based extracts, and serums with a higher proportion of active ingredients.
Why choose a dropper
- Precise dosing – the tube draws up only as much preparation as needed, and the product lasts longer.
- Hygienic use – the contents are not poured out or touched with fingers, less air and contaminants enter the bottle.
- Glass tube – handles oils, essential oils, and alcohol-based formulations without changing appearance and without transferring odors.
- Smooth matte cap – a simple shape that does not distract from the product and can be easily unscrewed even with greasy hands.
How to use the dropper
The dropper is screwed onto the neck of a bottle with an 18/410 finish in the same way as a regular cap. To dispense, squeeze the silicone bulb, submerge the tube in the contents, and release the bulb – the preparation is drawn in. The dose is then dispensed drop by drop directly onto the palm or skin.
Tube length is the measurement used to match the dropper to a bottle. The correctly chosen tube reaches just above the bottom: it draws up the last of the contents without resting on the bottom and without preventing the cap from being fully tightened. A tube that is too short leaves unused preparation on the bottom; one that is too long rests on the bottom and may crack.
Before the first fill, disassemble the dropper, wash it, disinfect it with isopropyl alcohol or ethanol, and leave it to dry completely. Repeat the disinfection every time it is reused, especially when changing the type of formulation.
Suitable for products such as
- Facial serums and aqueous solutions of active ingredients – liquid textures are drawn up and dispensed drop by drop easily.
- Oil serums and vegetable oil blends – the glass tube does not absorb grease and does not change appearance.
- Essential oil blends and fragrance concentrates – glass does not react with the contents and does not transfer odor between formulations.
- Tinctures and alcohol-based extracts – alcohol does not harm glass.
- Diluted colorants and active additives for manufacturing, where the producer needs to measure out a few drops per batch.
The dropper is not intended for thick preparations. Creams, thicker gels, and balms cannot be drawn up into the tube, and the cap will not seal properly.
Good to know
The dropper is a closure, not a standalone container. Bottles with an 18/410 neck finish and ready-made dropper-and-bottle combinations are available in the Handymade range. When creating your own combination, we recommend checking the seal, the behavior of the contents in the tube, and whether the tube length matches the height of the bottle.
A bottle with a dropper should only be filled to the nominal volume, not to the brim. The total volume up to the neck is larger precisely to leave room for the submerged tube and for the expansion of the contents when the temperature changes. If the bottle is filled to the brim, the contents will overflow when the cap is screwed on and contaminate the thread.
The silicone bulb is used only for drawing up the preparation. It is squeezed before the tube is submerged, not after, to prevent the preparation from entering the bulb. Contents trapped in the bulb are difficult to clean and may deteriorate over time.
The dropper is suitable for contact with cosmetic products.
The glass tube is fragile. If the bottle is dropped on a hard surface, the tube may crack, so the dropper is not suitable for travel packaging carried loosely in a bag.
Once the dropper is no longer in use, disassemble it and sort the parts by material: the plastic cap goes with plastics, the glass tube goes with glass.
Frequently asked questions
Parameters
Product documentation
- PDSProduct Data Sheet
- PDF ↓
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