Ammonia-Free, Silicone-Free and Long-Lasting haircolour Powered By 60% Oils 1St Oil-Powered Permanent Home haircolour With Revolutionary Technology for brilliant color and visibly healthier hair. Unlike Traditional hair Colour, Olia Uses An Exclusive 60% Oil Blend, With natural Flower Oils In The Colorant that achieves radiant and vivid hair colour results every time. Olia Achieves Maximum Colour Performance While Visibly Improving hair quality as the oils help to reverse roughness and dullness for more brilliant, long-lasting color. hair is hydrated, silky and up to 3X shinier than unwashed, uncolored hair.