Valentine Unicorn Hair Dye: Dyed and gone to Unicorn Heaven! Lime Crime Unicorn Hair is a DIY-friendly, semi-permanent color dye that transforms hair into vibrant colors... all from the comfort of your own home. Valentine is a captivating crimson red that will make your fantasy hair color dreams come true, and its sugary citrus vanilla scent will make your transformation even sweeter Not only is it damage-free, vegan hair dye give you fun, vibrant color, but this formula also contains conditioning ingredients like fatty acids and vitamins that help to moisturize your hair and boost shine.