lime crime unicorn hair semi-permanent hair dye valetine (crimson red) fantasy hair color, 6.7 ounces lime crime one way to celebrate your badass self is with a hair color makeover! lime crime unicorn hair dye is damage-free and easy to use at home! unicorn hair dye is a semi-permanent direct dye, meaning it does not contain a lightening component (developer) or harsh chemicals. this crimson red color transforms your hair into a bold red shade. this hair dye is made with an ultra- conditioning base that will not cause any damage to the hair. since there is no lightening component, this means the base color you start with is crucial to how the color will deposit onto the hair. this hair dye will gradually wash out over time! made in u.s.a. lime crime products are peta verified vegan and leaping bunny certified cruelty free. our products do not contain any animal-derived ingredients. as part of the leaping bunny pledge, our suppliers also certify that no animal testing is ever performed at any point in our supply chain.