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Closures DIN18

Glass Dropper, Glossy White, 71 mm

White glossy dropper, 71 mm – drop-by-drop dispensing for serums and oils Dropper with an 18/410 threaded cap simultaneously seals the bottle and dispenses its contents drop by drop. full description

AvailabilityIn stock · 34 pcs
Product codeOVK18BL071
€0.60incl. VAT

Lowest price in the last 30 days: €0.60

Volume pricing
1–199 pcs€0.60Your price
200–999 pcs€0.55−8 %
1000–4999 pcs€0.51−15 %
from 5000 pcs€0.45−25 %

Total for 1 pcs: €0.60

Product description

White glossy dropper, 71 mm – drop-by-drop dispensing for serums and oils

Dropper with an 18/410 threaded cap simultaneously seals the bottle and dispenses its contents drop by drop. It is particularly suitable for products where precise and clean extraction of a small amount matters: facial serums, oil serums, essential oil blends, tinctures, oil bath concentrates, and active ingredients that are added to finished formulations drop by drop. The white glossy cap gives the bottle a clean, simple look and pairs well with amber, blue, frosted, and clear glass.

The dropper consists of three parts: a glass tube that is immersed in the contents, a silicone bulb for squeezing, and a cap made of polypropylene (PP) with a thread that seals the bottle. The packaging is suitable for use with cosmetic products; a declaration of conformity is available with the product.


Key benefits

  • Drop-by-drop dispensing – squeezing the bulb draws up a small amount of contents and dispenses it directly onto the fingers or skin. Only as much as needed is taken, and the rest remains in the bottle without unnecessary contact with air and hands.
  • Glass tube – glass does not react with oils, essential oils, or alcohol-based contents. The dropper is therefore also suitable for concentrated and aromatic products where a plastic tube could soften or absorb the scent over time.
  • Cap and dispenser in one – the bottle does not need a separate cap; the dropper seals it at the same time. After use it is simply screwed back on.
  • Neutral appearance – the white glossy cap is unobtrusive, lets the label and the colour of the glass stand out, and suits a variety of brand styles.

Practical use

The dropper is designed for bottles with an 18/410 neck. The length of the glass tube should match the height of the bottle: the tube should reach almost to the bottom so that the remaining contents can also be drawn up, but it must not rest against it so that the dropper can be screwed on without problems. Bottles with this neck type and ready-made bottle + dropper combinations are available in the Handymade range. With your own combination, we recommend verifying the seal, tube length, and behaviour of the packaging with the specific formulation.

The dropper works best with liquid and thin contents: oils, oil serums, water-based and gel serums with low viscosity, tinctures, and alcohol-based extracts. Thicker gels and emulsions are difficult to draw into the tube and will not form a drop. For these, a pump or jar is more suitable.

Store and transport the bottle with the dropper upright. When the contents are in prolonged contact with the silicone bulb – particularly with essential oils and alcohol-based products – the bulb may soften or absorb the scent over time. During normal use, the contents do not come into contact with the bulb.


Good to know

Before first filling, we recommend washing and sanitising the dropper with isopropyl alcohol or ethanol and letting it dry completely, including the inside of the glass tube. When manufacturing for sale, the cleanliness of the cap is just as important as the cleanliness of the bottle, because the tube returns to the contents with each use.

The dropper can be used repeatedly if it is thoroughly cleaned after emptying the bottle and the tube is not damaged. The silicone bulb withstands normal cleaning with warm water and washing-up liquid, but it should not be soaked in solvents for an extended period. The glass tube is fragile. It may break if the bottle is dropped or screwed on with excessive force, so check that it is intact after handling.

Screw on with care. Sufficiently firm tightening ensures a tight seal; excessive force can damage the cap thread or the tube. With oil-based contents, it is worth checking before dispatching to a customer that laying the bottle on its side does not cause leakage around the thread.

The dropper is not a child-resistant closure and does not prevent opening. Products containing concentrated essential oils or other ingredients that must be kept out of reach of children should be labelled accordingly on the label.


Frequently asked questions

Which bottles is the 18/410 threaded dropper suitable for?
The 18/410 dropper fits all bottles with a neck of the same type regardless of the material or colour of the glass. In addition to the neck type, the length of the glass tube should also be checked. It should match the height of the bottle so that it reaches almost to the bottom and the remaining contents can also be drawn up. Bottles with this neck and ready-made combinations are available in the Handymade range.
Is the dropper suitable for essential oils and alcohol-based tinctures?
Yes, the glass tube of the dropper is suitable for essential oils, oil blends, and alcohol-based tinctures, as glass does not react with these contents. However, store the bottle upright so that the contents are not in prolonged contact with the silicone bulb. With concentrated essential oils, the bulb may soften or absorb the scent over time.
Can the dropper also dispense thick gel or cream?
No, the dropper is designed for liquid and thin contents. Thick gels, emulsions, and creams are difficult to draw into the tube and do not form a drop, making dispensing imprecise and inconvenient. For thicker products, a pump, jar, or container is more suitable depending on the volume.
How is the dropper cleaned before first use and can it be reused?
Before first filling, wash the dropper, sanitise it with isopropyl alcohol or ethanol, and let it dry completely, including the inside of the tube. Reuse is possible if it is thoroughly cleaned after emptying the bottle and the glass tube is not cracked. The silicone bulb tolerates warm water and washing-up liquid, but do not soak it in solvents for an extended period.
Does the dropper seal adequately with oil-based contents?
Yes, when correctly tightened on an 18/410 neck, the dropper seals the bottle and normal upright storage is problem-free. With oils that spread easily, we recommend verifying the seal with the specific bottle and contents, for example by briefly laying it on its side. This applies especially when the product is shipped to customers by post.

Parameters

Product colour
White
Country of origin
China
Thread type
18/410
Dropper length
71 mm
Product material
GlassPPSiliconePlastic

Product documentation

PDSProduct Data Sheet
Product properties and usagePDF ↓
DrawingTechnical drawing
Packaging drawing with dimensionsPDF ↓
Download all (ZIP)

2 PDF files in one archive

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