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Body Wash Formulation Help
I am trying to create a dupe of a well-known body wash from the brand Native and running into problems with viscosity.
The ingredients listed are :
Water, Cocamidopropyl Betaine, Sodium Chloride, Sodium Lauroyl Sarcosinate, Sodium Cocoyl Isethionate, Fragrance, Sodium Salicylate, Sodium Benzoate, Citric Acid
From what I can tell, the formula likely uses a high percentage of Capb. Sodium Chloride probably doesn’t exceed 3-4%, and the Sarcosinate and SCI levels should be lower than that. Based on that I have tested multiple versions.
* 20-30% Capb (45 Active)
* Around 3-4% each of Sarcosinate and SCI, I also tried 10% Sarcosinate (mine is 30% active) since I know some versions are available in powder form with higher actives.
I have had no issue with SCI precipitation and maneged to get a stable, clear liquid
The formulation doesnt respond to Sodium Chloride at all - no thickening, no matter what I do. I dont want to use polymers or other thickeners - I want to stick to the original formula and thicken it with salt, just like Native seems to do.
I have tested different ph levels and various salt concentrations, but nothing works.
Any idea why this system refuses to thicken with salt?
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