Garnier Olia Hairdye 7.0 Dark Blonde. A new era of hair colour. The 1st home hair colour powered by oil, not ammonia. Maximum colour performance, visible improvement of hair quality and a new experience for the senses. To ensure your purchase satisfaction, hair colourants at HORO are only available in stores. Please visit our stores for the full range. Click here to find your nearest store. 60% Oils, with natural flower oilNo AmmoniaMaximum colour performance100% Grey coverageVisibly improves hair qualityOptimal scalp comfort