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Ketoconazole Shampoo Help
I am making a shampoo with a customer supplied formulation. Amongst other things it contains Ketoconazole, Chlorhexidine Gluconate solution, glycolic acid (about 1% active). Final pH is 5.0 to 5.9 (maybe 5.5 not sure). The keto in this formulation is not stable. Anyone have any ideas how to fix?
When I say not stable I mean within a week or so starts to drop. Thanks.
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