Kiehl's Since 1851 Sunflower Colour Preserving Conditioner
With a 4.8-star rating from other Sephora shoppers, this Kiehl's Since 1851 Sunflower Colour Preserving Conditioner ($20) is roundly praised for nourishing processed hair without any silicone. Instead, there are sunflower oils, apricot, and a blend of B vitamins that make hair more manageable and help colour last, too.