We know that oil can do a lot more than just condition your hair. Oil enhances the brown hair color outcome when concentrated at the heart of the Olia permanent brown 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 rich, vibrant, and long-last
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