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Use TEA in 0.10% serum formula. I want to know which substance can be used instead of TEA Thank you.

I want to know if making shower cream The formula is as follows: SLES 30% Cleaning agent 2% Build foam 2% Preservative 1% HH SODIUM LAURYL SULFATE 1% Water 58% want to thicken without NaCl, which one can we use to thicken? Thank you very much