I colored my hair with a medium ash brown hair color... I picked medium ash because my
Hair had a red hue from the last time I colored it... Help... Do I use Prell or dishwashing
Detergent or go to a professional... I just want it not so black... Help!!

Hair colors that are darker than light brown will appear very dark on the hair at first, but it will fade and get lighter each time you shampoo your hair. Prell contains a high alkaline ingredient, which causes hair color to fade quickly. Dish detergents such as Dawn are also notorious for stripping hair color. When you wash your hair, leave the Prell shampoo on your hair for 30-45 minutes then rinse it with warm water. Be sure to use a deep conditioner afterwards to restore moisture in your hair. Your hair color will gradually fade if you wash your hair often.

This happened to me so I went to the hair dressers and got some high lights put through its still a tad on the orange but its not too bad I can live with it till I go back and get some more highlights.