Unlike traditional hair color, olia uses an exclusive 60%. oil blend, with natural flower oils in the colorant. The unique oil-based. formula propels colorants deep into the hair without ammonia, for pure, vivid,. long-lasting color. Olia achieves maximum color performance while the oils. help reverse roughness and dullness, visibly improving and restoring hair.
Unlike traditional hair color, olia uses an exclusive 60%. oil blend, with natural flower oils in the colorant. The unique oil-based. formula propels colorants deep into the hair without ammonia, for pure, vivid,. long-lasting color. Olia achieves maximum color performance while the oils. help reverse roughness and dullness, visibly improving and restoring hair.