+22 Dirty Hair Before Coloring References. However, if your hair is really dirty, has a lot. Washing your hair before dyeing it can help the dye to spread more evenly and result in a more even color.
And if you're going to a salon,. As it turns out, most hair dyes are designed to work better on hair that is not freshly washed. Overall, yes, it’s okay to have dirty hair before coloring, but it shouldn’t be that dirty nor that clean.
