Garnier Olia Permanent Hair Colour - Brown 5 The first oil powered home hair colour. For the first time in home colour, oil does more than condition, it boosts the colouring process. Maximum Colour performance Even without ammonia, a vivid permanent colour and perfect grey coverage. Improves the visible quality of hair feels 35% softer, looks 17% shinier. Sensorial application process - The drop shaped bottle fits perfectly into the palm of the hand, allowing for controlled application. Velvety cream texture and a luxurious subtle fragrance, Garnier has helped transform the colouring routine into a new beauty ritual.