Dr Catherine Pratt

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Dr Catherine Pratt
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  • Anuli
    Website doesn’t work 
    October 23
  • ankita
    Hello mam,
    I want your valuable suggestion on my handwash formulation which contain sles ,cdea,capb,glycerin,benzophenone 4,Pfa preservative along with fragrance and salt.But its thickness is gradually decreasing.please suggest.
    October 23
  • masterclean
    Hello Dr.Catherine,
    we are facing a problem of precipitation in our Hand wash formulation after using EDTA. We have made formulation by using EDTA and without EDTA. The product with EDTA becomes hazy and forms precipitates after some days.
    ETDA is having a strong smell of Acetic acid.
    The formula contains  Water, SLES, SLS, CAPB, EDTA, Glycerin, Na Benzoate and fragrance.
    Can you please guide where is the problem? How can resolve this problem.

    Thanks,
    Dr.Divyesh Patel,
    M.Sc (Org.Chemistry)
    October 7
    • Dr Catherine Pratt
      Dr Catherine Pratt
      You can change to Sodium Phytate instead which is the natural chelating agent just like EDTA.
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