Semipermanent hair colour drops.For bright colours without the commitment; you need to get your hands on the Revolution Haircare Rainbow Drops. These innovative; semipermanent hair colour drops can be combined with your favourite conditioner and last for 215 washes. The easytoapply formula is available in a range of shades whether you’re feeling bold and bright or go for something more subtle with the pastel shades. It’s time to explore your creativity!Vegan CrueltyfreeResults work best on bleached and natural blonde hair.