Pigment Dispersion in gel based formulation

Dear all, I'm currently developing a liquid blusher which is a water gel-based and I am having issue during counter matching...
As you can see from the photo below, some of the pigment is not well dispersed and form colour line (yellow colour line as shown). 
Here is my formulation:


WATER                                  q.s
Carbopol Ultrez 10                0.40

Glycerin                                4.00
Sepinov EMT 10                    1.05

Preservative                           0.70
TEA                                        q.s


Squalane                               4.00 ( I have tried using other oils e.g:                                                                          CCTG, C12-15 Alkyl Benzoate)
Pigment                                q.s
(Form paste and disperse using 3 roller mill)

Anyone can help if any problem with the formulation or the process please? 

Thank you so much in advance.  

Newbie of formulation


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