|Be safe instead of sorry with these two important hair coloring tips!|
The second thing that you always must do is to make sure to do the patch test with the hair color and developer on your arm as directed before attempting to color your hair. If you skip this one step, you could end up in a world of trouble from a burning scalp, itching to breathing problems that could force you to the emergency room due to an allergy.
You can develop an allergic reaction at any time, whether for the first time or a hundred times, does not matter. So please keep these tips in mind and the only thing that will happen is beautiful hair!