Natural or crazy base color all over + random sections, lowlights/highlights with a second color with the help of a highlighter cap or directly over your hair mixed with creme developer (unless the hair dye specifies that no. Most dyes have similar setting times so you will want to get both colors applied in roughly the same amount of time. 35 Unique Half And Half Hair Color Ideas For Cute Women Uniq Log Hair Color Pink Hair Color Crazy Split Dyed Hair The cold water will actually cause the hair cuticle to close, basically trapping the hair color inside. How to color half hair at home . Open the hair dye boxes, read all instructions and lay out all necessary materials. At the very least, you should divide each half into half again, splitting your hair into quarters. Once the water runs clear, take out the rubber bands. Then, divide both halves into as many sections as you want. If you want a little more hair to be colored, move the line a little higher, like to the tops of...