This sound indicates that the vacuum seal has been broken and air has rushed back into the bottle. Symptom: Loose clicking with no product output.
Shampoo Pump Seal Cleaning Steps to Break Vacuum and Restore Function
Air is likely entering the chamber, breaking the vacuum seal. Carefully removing the pump allows for a deep clean and inspection of the spring.
This action allows air to enter the bottle safely, equalizing the pressure and restoring the function of the spring mechanism. Remove the bottle, dry it thoroughly, and attempt to pump normally.
Steps to Clean the Shampoo Pump Seal and Break the Vacuum Lock
Let it sit for 30 to 60 seconds. This usually indicates the pump head is jammed or the internal spring is stuck against the housing.
More About How to unlock shampoo pump
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