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Tagged: formulation, natural ingredients, ph, preservatives, stability testing
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Best preservative for dish wash liquid(shampoo)
Posted by haroon on September 29, 2018 at 11:36 amhi all,
give suggestion for good preservative for dish wash liquid that it will long life and work properly.i only used EDTA .1 gm for preservative.I made dish wash liquid for business purpose.
i am very thankful to all on this act.Aanchal replied 5 years, 4 months ago 8 Members · 18 Replies -
18 Replies
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use FORMALIN or known as FORMALDEHYDE diluted with water at percentages of 0.05 % and below.
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Is without fomalin preserve it?when EDTA is present in dish wash liquid?
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Formaldehyde is banned as a preservative.
IMO parabens work fine. -
haroon said:
hi all,
give suggestion for good preservative for dish wash liquid that it will long life and work properly.i only used EDTA .1 gm for preservative.I made dish wash liquid for business purpose.
i am very thankful to all on this act.You can use sodium benzoate
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Sodium Benzoate is popular but you have to watch that ph closely
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Glutaraldehyde is effective in what pH range? What percentage is to be added?
Sodium benzoate is not effective in high pH range. -
Well I believe that an effective pH of around 8 will be optimum though it works in both the media. Rate of kill is higher at a higher pH compared to acidic pH. I generally use around 0.10% effectively and never had any issue.
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Chemist77 said:Well I believe that an effective pH of around 8 will be optimum though it works in both the media. Rate of kill is higher at a higher pH compared to acidic pH. I generally use around 0.10% effectively and never had any issue.
Thanks. Glutaraldehyde is available in 50/70 % or lower concentrations
Fixing Glutaraldehyde as the sole preservative in a pH of 7 to 9 , pls share what commercially available concentration you use?
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