Pureology precious oil conditioner is full of active ingredients that will leave your hair looking and feeling fantastic containing only vegan ingredients it replenishes and deeply nourishes your hair leaving it not only tangle free but silky soft the zerosulfate zerosilicone concentrated oil formula hits deep into the fibres of your hair to add suppleness and helps to protect your hair colour from fading the perfect product to fight against dull and brittle colour treated hair 100