Shampoo viscosity is decreased after few days

My Anti Dandruff Shampoo contains 
SLES 
CAPB
CDEA
Glycol distearate 
Lanolin 
PQ7
Zinc pyrithione 
DI water
Glycerine 
J guar
Silicoid 
Di sodium EDTA
Ammonium laureth sulfate 

I am adjusting viscosity by adding CAPB. 

Approx. Within one month after manufacturing Shampoo viscosity is decreased. 
Plz discuss its solution. 

Comments

  • Reduce salt content 
    And use synthalen w 400 for stability and suspension 
  • 1 Lanolin is useless, remove it.
    2 Same for glycerin
    3 What's silicoid? A silicone? If so, how is it emulsified?
    4 Glycol distearate is tricky to use on its own, you'd better get a ready-made, ready to use pearlizer that's already emulsified.
    5 Tetrasodium EDTA is easier to dissolve than the disodium one.
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