01
Neck Finish Decides the Match
A dropper only fits one neck diameter and thread. We confirm the match before you order samples.
Buying Guide
How to Match a Dropper With a Glass Bottle
A practical buyer's guide to dropper and glass bottle matching: neck finish, pipette length, collar types and sample testing.
What to Know
Key Points for Buyers
The four points that decide most packaging decisions in this area.
02
Pipette Length vs Bottle Height
The pipette should reach near the bottom without pressing on it. Tall bottles need matched pipette lengths.
03
Collar and Cap Styles
Aluminum, plastic and child-resistant collars change the look and the function. Choose by market and formula.
04
Test With Your Formula
Oil viscosity affects draw and drip. Sampling with your real formula is the standard step before bulk.
FAQ
Common Questions
Quick answers before you request a quote.
Next Step
Browse Dropper & Serum Bottles
See the products this guide covers, with stock options and matched closures.