Approve magnetic cosmetic closures with retention, opening-force, alignment and packout checks. Separate decorative closure feel from the primary product seal.
Magnetic Cosmetic Closures: Retention and Opening Checks Read More »
Approve nail polish bottles with brush loading, bristle retention, bottom reach and closure trials using the actual formula and production-representative assembly.
Nail Polish Bottle Brushes: Loading, Reach and Closure Trials Read More »
Evaluate hair-care trigger sprayers with exact bottle fit, dip-tube reference, formula spray pattern, grip, restart and off-position checks.
Trigger Sprayers for Hair Care: Bottle Fit and User Trials Read More »
