We know that oil can do a lot more than just condition your hair. Oil enhances the red hair color outcome when concentrated at the heart of the Olia permanent red hair dye formula. Garnier Olia permanent hair colour is a 60% oil-powered product with natural flower oils and is ammonia-free. This  at-home hair dye visibly enhances hair quality, providing more shine and 35% smoother hair. Olia home hair color will also deliver the best color performance for opulent, vibrant, and long-lasting red hair. Furthermore, with its non-drip smooth velvety texture of the colorant cream, Olia home hair color provides a unique sensory application and optimal scalp comfort.