This temporary pastel purple hair dye is a ready-to-use spray that is best for giving blonde hair an immediate burst of color. Both ammonia and peroxide free, this Pastel Spray will last 1-3 washes and is perfect for a short trip to a festival or to try a new color. To apply, spray the product into your hair, and then blow-dry to lock in the color. 250ml/8.45 oz.