I’m working on a lip balm (going into a tube, not a stick, but is anhydrous) and my customer asked if I’ve done bloom testing. Is anyone familiar with this testing, and can provide a typical method they follow? We do freeze/thaw testing (4 cycles) but they said in bloom testing, the temperature fluctuates between 36C and 18C and is a bit more rigorous.
Any protocols anyone can share would be great, thank you!
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