GARNIER Olia 5.0 Brown unlike traditional permanent home hair colourants is the first permanent home hair colour powered by oil, not ammonia. To propel colour deep inside the hair, it uses 60% oils for a velvety texture that feels gorgeous to apply. Colour after colour, it visibly improves hair quality. Hair is left feeling softer, more beautiful. Discover the power of oil to transform your hair colour routine into a luxurious beauty ritual. No Ammonia. Maximum colour performance Visibly improves hair quality. Optimal scalp comfort. With natural flower oils.