This OLIVIA HAIR COLOUR DARK BROWN 02 is a unique, high-quality product that will give you the perfect dark brown shade that youve been searching for. This hair color is made with natural ingredients, so its gentle on your hair and wont leave any residue. Plus, our Olivia Hair Colour is easy to apply—simply mix the correct amount of pigment with your desired conditioner and apply it to wet or dry hair. Olivia Hair Colour Dark Brown is a professional-grade hair color that provides true-to-life results with a natural finish. we have the perfect color to match your unique personality and style..