Fann þetta á google - Step 1 Use Hershey's unsweetened cocoa to darken hair without dye. Mix equal parts cocoa with shampoo and wash hair as usual. You can either pre-mix by pouring out half your shampoo into another bottle (to save for later), and mixing it with cocoa ahead of time, our just putting a little cocoa into your palm and adding about the same amount of shampoo each time you wash your hair and want to deepen your brown hair color with natural hair coloring at home. Step 2 Use...