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Body Wash Formulation Help
I’m 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 Cocamidopropyl Betaine (CAPB). Sodium Chloride probably doesn’t exceed 3–4%, and the Sarcosinate and SCI levels should be lower than that. Based on that, I’ve tested multiple versions with:
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20–30% CAPB (45 active)
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Around 3–4% each of Sodium Lauroyl Sarcosinate and SCI
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I also tried 10% Sarcosinate (mine is 30% active) since I know some versions are available in powder with higher actives.
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This discussion was modified 3 hours, 6 minutes ago by
halilagca94.
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This discussion was modified 3 hours, 5 minutes ago by halilagca94.
I’ve had no issue with SCI precipitation and managed to get a stable, clear liquid.
The formulation doesn’t respond to Sodium Chloride at all — no thickening, no matter what I do. I don’t 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’ve 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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