Cosmetics Formulation Development


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soap preservative

Postby jansuda.kleepbua » Tue Nov 28, 2017 3:26 pm

I will use it with herbal soap. There is a problem with mold PH soap about 8 I will use Phenoxyethanol or Optiphen Plus Can I use Preservative free? I will ask the FDA for advice.
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Re: soap preservative

Postby staff » Tue Nov 28, 2017 6:19 pm

Hello Phenoxyethanol SA or Optiphen Plus is considered สารกันเสีย The use in the formula cannot be claimed as Preservative Free. Preservative Free Please use Mild Preserved Eco recommended at 2% (please check the formula pH to make sure not more than 8 because Mild Preserved Eco will tolerate a maximum pH of 8, provided the formula has a high pH. than this, the efficiency of infection control will deteriorate)
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