Overall, the longevity of the dip-dye varies according to how often you wash your hair, but with one to two washes per week, it lasts about four to six weeks.

Does dip dye wash out?

Shampoo your hair to remove the chalk color.

This dip-dyed look typically lasts 1 day and will probably fade a little as the day progresses, especially if you're spending time outside. The chalk should easily wash out of your hair with water and a little shampoo later that evening.

Does dip dye ruin your hair?

Due to the large amounts of damage and dryness your hair will experience afterwards, make sure to use the proper hair products. Ask your hair stylist for suggestions on products that will return the moisture to your hair and help prevent against breakage, while keeping the color as long as you can.