PKGroom

Resources

Cosmetic Packaging Guide

Container anatomy, neck finish standards, pump engine mechanics, and selection checkpoints for beauty product developers.

Cosmetic Packaging Anatomy Blueprint
Technical breakdown of container neck finish, pump assembly, and airless piston mechanics.

This technical guide provides a practical reference for beauty brand managers and packaging engineers evaluating container anatomy, closure compatibility, and structural integrity.

Container Anatomy & Neck Standards

Understanding standard neck finishes (such as 18/410, 20/410, 24/410, and 28/410) is fundamental for specifying leak-proof pump and closure combinations.

  • First Number (e.g. 24): The outer neck diameter measured in millimeters across the threads
  • Second Number (e.g. 410): The standardized thread style and turn height specification
  • Brimful Capacity: Total overflow volume of the bottle prior to component displacement

Airless vs Dip-Tube Dispensing Systems

Airless systems utilize a bottom piston mechanism that rises as formula is dispensed, eliminating air return and preventing active ingredient oxidation. Traditional dip-tube pumps require an atmospheric air intake path.

Sensitive skincare formulas containing Vitamin C, Retinol, or organic botanical oils strongly benefit from airless packaging.
Explore Airless Packaging Catalog