Final answer:
The mixing ratio for Shades EQ gloss is 1:1 with the processing solution, meaning equal parts of both should be used for the color to develop correctly.
Step-by-step explanation:
The mixing ratio for Shades EQ gloss with processing solution is typically 1:1. This means that for every part of the Shades EQ gloss, you should use an equal part of the processing solution. For example, if you're using 2 ounces of gloss, you will need 2 ounces of processing solution. It's important to use the precise ratio to achieve the optimal results and ensure the color develops correctly.