Perfume addition in dishwash formulation- viscosity drop

I am making manual dishwash liquid as follows for a 1000 ml batch
8% labsa nuetralised by caustic soda
20% of SLES(28%), 12g salt, perfume 1ml, color, 1 g citric acid
After addition of salt the thickening is excellent. On addition of perfume the viscosity crashes by 50%. I tried various perfumes and the result is that the viscosity crashing varies.between 25% to 60%.


Comments

  • chemicalmattchemicalmatt Member, Professional Chemist
    Your fragrance likely has a nonylphenol ethoxylate as solvent-carrier. Crashes viscosity all the time.
  • Thanks for input chemicalmatt.
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