Final answer:
The processing time for the High Impact Brunette series can vary depending on the specific product and manufacturer.
Step-by-step explanation:
The processing time for the High Impact Brunette series can vary depending on the specific product and the manufacturer. It is important to read the instructions on the packaging or check the manufacturer's website for the most accurate processing time.
For example, if we consider a hair dye from a popular brand, the processing time for the High Impact Brunette series may be around 30-45 minutes. However, this can vary, so it is important to follow the instructions provided.
It is also worth noting that factors such as hair type, desired color intensity, and previous hair treatments can also affect the processing time.