As the root cause is due to the unstable colour of PEG5-Cocamide which derived from coconut varied from temperature process as our observation we found that that this raw material has an tendency to be deeper overtime as being general character.
Addition to this change of this raw material, when time passed, the colour range of acceptable specification is difficult to keep as being the reference in the real time of inspection as picture shown.
In the present, the picture of both product and PEG5-cocamide has been recorded as being the historical stability of this product in order to assess the product after storage until showed on the body shop’s shelf.
According to our solving plan, the strategies will be managed to work both raw material and finish good as descripted below;
1) The raw material ( PEG-5 Cocamide)
The colour value from colourmeter will be recorded in every batchs of PEG5-Cocamide and compared whether is on Min, Max or standard.
Picture
2) The finish good (Coconut shower gel)
The finish good wiil be compared and investigated with the retain and standard (FG) which will be considered from the results of colour value from colormeter.
All significant issue has to be updated and raised up to TBS team in topic of cause and our preventive action.