Environmental Stress Cracking in Cosmetic Bottles: A Troubleshooting Guide

A practical root-cause guide to plastic cosmetic bottles that crack after storage: distinguish ESC from other failures, test the filled pack and prevent recurrence.
Heart-Shaped PET Lotion Pump Bottle 380mL

Boyu Packaging 380 mL pink heart-shaped PET pump bottle for lotion, shampoo and shower gel. Zhejiang, China. MOQ 10,000 pieces.
Pink HDPE Shampoo Pump Bottles 300, 400 and 500mL

Boyu Packaging pink HDPE pump bottles in 300, 400 and 500 mL for baby lotion, children’s shampoo and shower gel. Zhejiang, China. MOQ 10,000 pieces.
Bear-Shaped PE Pump Bottle for Kids Shampoo and Body Wash 300-500ml

Bear-shaped PE pump bottle for children’s shampoo and body wash by Boyu Packaging, Zhejiang, China. MOQ 10,000 pieces.