Getting Product tested

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What tests are you looking for? Sagescript Institute https://sagescript.com/microbiology/ will do plate counts which will tell you whether your product is contaminated with bacteria/fungus at the time of testing. It is more a test of your GMP than of your preservative efficacy. They will perform an Aerobic plate count (APC) – enumeration of bacteria present in a sample and/or a Fungal/yeast count (F/YC) – enumeration of fungi (mold) or yeast present in a sample. Both will run you around $32. For challenge testing Cindy recommends MicroChem Labs http://microchemlab.com/test-category/cosmetic-testing
 
What tests are you looking for? Sagescript Institute https://sagescript.com/microbiology/ will do plate counts which will tell you whether your product is contaminated with bacteria/fungus at the time of testing. It is more a test of your GMP than of your preservative efficacy. They will perform an Aerobic plate count (APC) – enumeration of bacteria present in a sample and/or a Fungal/yeast count (F/YC) – enumeration of fungi (mold) or yeast present in a sample. Both will run you around $32. For challenge testing Cindy recommends MicroChem Labs http://microchemlab.com/test-category/cosmetic-testing

Thank you. Preservative challenge testing as well as GMP (more preservative testing). Will I have to do the preservative challenge test with every batch I make or is it more of a one and done to ensure I have the right idea?
 
Thank you. Preservative challenge testing as well as GMP (more preservative testing). Will I have to do the preservative challenge test with every batch I make or is it more of a one and done to ensure I have the right idea?
It's my understanding that preservative challenge testing is quite expensive so you'll need to make that decision on your own.
 
What tests are you looking for? Sagescript Institute https://sagescript.com/microbiology/ will do plate counts which will tell you whether your product is contaminated with bacteria/fungus at the time of testing. It is more a test of your GMP than of your preservative efficacy. They will perform an Aerobic plate count (APC) – enumeration of bacteria present in a sample and/or a Fungal/yeast count (F/YC) – enumeration of fungi (mold) or yeast present in a sample. Both will run you around $32. For challenge testing Cindy recommends MicroChem Labs http://microchemlab.com/test-category/cosmetic-testing
This is where I get mine tested.
 

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