Case Study:Custom Bottles Crafted by a Glass Dropper Bottles Manufacturer for a U.K. Brand

Inhoudsopgawe

A U.K. skincare brand teamed up with a glass dropper bottles manufacturer to craft durable, elegant

Klant agtergrond

A​‍​‌‍​‍‌​‍​‌‍​‍‌ London-based skincare brand has decided to join hands with Vesseluxe, a high-end glass dropper bottles manufacturer to make a unique Continuous features: with a soft frosted finish and a matte black cap with the monogram of the brand printed on it. The emphasis was on showing exactness and clarity together with eco-friendly luxury. The brand selected us as their collaborator because of our mastery in precision glass molding, the strength of our coatings, and our great record of always delivering cosmetic-grade consistency in large-scale ​‍​‌‍​‍‌​‍​‌‍​‍‌production.

glass dropper bottles manufacturer

Kry Gratis Monsters

Uitdaginge

Though the design of the bottle was straightforward, they faced two major challenges in its production:

  1. Thermal Shrinkage Consistency:The thermal contraction inconsistencies around the neck of the bottle during the annealing process resulted in sealing instability when the pipettes were fitted.
  2. Chemical Resistance of Decorative Coatings:Besides the frosted finish and printed logo, they had to be resistant to exposure to the essential oils and botanical extracts which, if not, would dissolve or dull the surface finish.
glass dropper bottles manufacturer

Oorsaak Analise

After the detailed process audit, the technical team came to the conclusion that the root causes were temperature and annealing and that incomplete crosslinking in the decorative coating caused the problem. To solve these problems, they changed the heating curve in the annealing furnace, changed the air circulation pattern, and changed the coating mixture by using a more resistant, oil-resistant binder system. The continuous communication with the customer allowed us to meet the visual and tactile expectations without any compromise of chemical durability.

glass bottle dropper
seems directly. However, the real challenge is in achieving the thickness of the right wall. Bottles are required to remain light for the user convenience, but if the glass was too thin, the risk of breaking up during handling increased. Conversely, if the wall was very thick, the cost of production was significantly increased and consumer experience was compromised due to unnecessary heaviness.

15ml 30ml 75ml Luxury Round Glass Bottle Dropper

10ml – 100ml Bamboo Cosmetic Packaging

Oplossing

  1. They stabilized neck shrinkage rates through very detailed thermal mapping within a tolerance of ±0.05 mm.
  2. They perfected the dual-layer coating technique that combines acid-etched frosting with a UV-curable surface to protect the latter.
  3. The actual client serum formulations were used in the chemical immersion testing to verify the coating resistance.
  4. They fully optimized the neck dimensioning so that during pipette assembly the seal pass rate was 100%.

Resultaat

The end product was outstanding in terms of its transparency, flawless sealing functionality, and the coating’s strengthened resistance. The frosted glass stayed soft and smooth even after it had been in contact with the essential oils for a while. The brand was able to launch its serum line successfully at major U.K. retail platforms, with the packaging becoming an icon of the brand’s luxury identity—this is how Vesseluxe has solidified its position as the go-to glass dropper bottles manufacturer for luxe skincare ​‍​‌‍​‍‌​‍​‌‍​‍‌brands.

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