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Powdered facial cleanser
Hi everyone.
I am formulating a powdered facial cleanser. It will be supplied in a powder form .
I was wondering what sort of accelerated stability should be done to ensure that the flow-ability of the product will remain good throughout the shelf life, with no agglomerations or caking.
I am mainly after humidity testing, for how long and what degree of humidity?
Would putting it in an incubator be of a meaning or useless? should i expose it to humidity then incubator for example,(as in cycles)?
Please note i don’t have access to a humidity or climate chamber, so I will have to use a humidifier and set it in a small closed room and measure the humidity with a hygrometer
Thanks -
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