Thickening Shampoo

Hi Folks,

I was trying to develop a good conditioning shampoo. I found a good formula for a conditioner and another formula for a shampoo.....They both come out nicely with a good consistency/viscosity. When I mixed the two together, the mixture instantly became runny as water.  The shampoo uses Ammonium Xylene Sulfonate as a thickener, and the conditioner uses Glycerol Monostearate.  Could these two chemicals be counter-acting each other???  If so, I'm thinking I could just use one of the two thickeners and leave the other out.  I have been told to just add Xanthan Gum to thicken it all up.....Anyone have any thoughts on this??? 


  • You can't make a conditioning shampoo by mixing a "regular" shampoo with a "regular" conditioner because the positively charged smoothing agents in the conditioner will interact with the negatively charged cleansing agents in the shampoo and mess up the system. 

    If you want to find some really great formulating advice, you should check out Perry's other site: It's more geared toward people who actually make products. The Beauty Brains Forum is more about answering consumer questions about how products work and what claims really mean. 

    Good luck!
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