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Microbial testing of Surfactant
Hi all
Generally surfactant contain 30 % to 50 % active matter and remaining water or other impurities.I am thinking if surfactant contain water 50 to 70 % water so microbial testing is require or not ?I checked generally surfactants specification does not contain microbial limit or testing.I want to know that why 30 to 50 % surfactant does not contaminate or microbial testing not require. -
1 Reply
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Hi Vjay,
If a surfactant contains 50-70% water it should be tested for bacteria/fungi. If it contains 30-50% water it is less likely to be contaminated, but if it were my cosmetic line, I would still want it tested.
Many companies add preservatives to their surfactant blends.
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