Help with thickening below formulation
I need help with below formulation for color protection shampooPhase ADeionized water q.sSodium gluconate 0.2%Gel Aqua 2%Glycerine 3%Phase BDecyl glucoside 15%(8.25)Sodium cocoyl glutamate 10% (3.9)Coco betaine 10% (3.6)Cmea 5%Phase CAmodimethicone 2%Dimethiconal 2%Silk protein2%Keratin 2%Preservative (euxyl k712) 1%Fragrance oil 0.3%Citric acid 0.1%
Is heating cmea with surfactants best way to dissolve it? I find it difficult getting the right viscosity. Any suggestions on bettering this formula for colored hair?