[Washable & Safe]: Temporary hair dye can be washed off with shampoo. Since these colors are not permanent, you can always use temporary hair color to maintain your new look. [Easy to Use]: Blow dry your hair first, then shake the hair color spray well before using the spray. Spray evenly on hair at intervals of 20cm from top to bottom. Wait 3-5 minutes for the hair dye to dry naturally, or gently blow dry with a hair dryer. [Safety]: Temporary hair dye spray is relatively less harmful to the hair because it only acts on the surface of the hair and does not penetrate into the interior of the hair. Temporary hair dye sprays are less damaging to your hair than permanent hair dyes and won't cause your hair to become dry, brittle, or break. [Convenient and Fast]: Temporary hair dye spray is a convenient and fast hair dyeing product that can change the color of your hair in a short time. It usually comes in the form of a spray that users can spray directly onto their hair without the need for tools like brushes or combs. [Multiple Uses]: Temporary hair color is perfect for Children's Day, costume parties, children's parties, Halloween, Christmas, cosplay, etc.