Formaldehyde is banned as a preservative.IMO parabens work fine.
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.
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.
Please look for Glutaradehyde IG 50
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