About the Product

Is it alright to mix it with Color Shampoo?
Yes. The product does not inhibit coloring, so there shouldn't be any concern that the pigments from the coloring agent won't bind as easily.
After using the product, my hair feels kind of rough.
Depending on your hair condition and the shampoo you are using, there is a possibility that you may feel that your hair has become rough and chafe. If you experience this, then you can try to reduce the amount of product used.
In addition, you may feel that that your hair becomes a bit hard after rinsing. This is because the product is working to improving the elasticity and firmness of your hair. Once you get used to this, you will notice the improvement on your hair especially after the treatment. So please rest assured that this is of no issue.