![pastel blue hair pastel blue hair](http://hairstylehub.com/wp-content/uploads/2017/01/Blue-Ombre-Box-Braids.jpg)
It can be put over darker hair, but the results may not be as bright, or may not appear at all. You can use this type of dye over blonde or lightened hair, or over faded hair dye. This type of dye is deposited onto the surface of the hair, altering the overall tone without entering the hair shaft. Semi-PermanentĪlso occasionally referred to as a “direct dye,” semi-permanent color is gentle, typically ammonia-free, and does not need to be mixed with a developer. You can use temporary hair dye to create designs, cover up grown out roots, or test out a hair color before committing to a more permanent dye. It coats the hair in color without lightening or darkening the original hair in any way. Temporary hair color has an instant effect, but will rinse out on the first shampoo. Different dyes have vastly different time-lengths and chemical properties knowing which types are out there will help you select the best one for your hair. The type of dye you use determines how long color will stay in your hair. When looking for a blue hair dye, there are a few factors, such as shade and longevity, that you should familiarize yourself with to ensure you pick the correct product. Best Temporary Dye: L'Oreal Paris Colorista Spray Best Box Dye Kit: Splat Rebellious Colors
![pastel blue hair pastel blue hair](https://lovehairstyles.com/wp-content/uploads/2017/04/stunning-blue-ombre-hair-lavender-light-waves-683x1024.jpg)
Best Dye for Touch-Ups: Celeb Luxury Viral Colorwash
![pastel blue hair pastel blue hair](https://m.media-amazon.com/images/I/911iYPDyuxL._SL1500_.jpg)
Best Long-Lasting Dye: Manic Panic Amplified Best Premium Dye: PRAVANA ChromaSilk Vivids