Features: 1. This NEW, fun and unique temporary hair dye is formulated to change color with cool or hot temperatures. 2. Watch with excitement as your hair color changes right before your eye, just as fast as your style mood changes, with just one touches 3. Color Changing Hair Dye will transforms your tresses, even if they're not bleached, into a virtual kaleidoscope of electric color that instantly changes at 18degC. 4. All it takes is running a flatiron over it, using a blow dryer or curling iron—even the warmth from your own hands and sunlight activates the awesome color-changing effect 5. All you need to do is apply the color to clean, dry hair that's free from any conditioners or products. 6. After applying the color, blow-dry your hair or run a straightener on your tresses and your hair will transforms into another color. 7. The temporary dye changes color when you expose it to heat and changes back to the first color when your hair cools down. 8. Color Changing Hair Dye comes in 4 varieties, each with 2 eye-popping color options, so mixing and matching hues for some serious flavor tripping is super easy 9. Change it up in a snap by applying them in any combination, and when you want to start over, simply wash out with a single shampoo. 10. Switch between colors over and make patterns over crimped sections, braids, clip-in hair extensions, different layers, and so much more 11. Enjoy shade-shifting effects and then wash it out and go back to your regular color style without any regrets. 12. Real color may slightly different from pictures due to computer screen's resolution, brightness, contrast etc. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow minor deviation due to manual measurement. Specification: Type: temporary hair dye Net content: 120g Scope of application: Apply to dry hair, dye hair Package List: 1 x temporary hair dye