Achieve vibrant, long-lasting results with Garnier Olia Permanent Hair Color. This formula utilizes an innovative oil-based technology, notable for being ammonia-free, which helps to visibly improve hair quality while delivering rich, true-to-tone color. Ideal for transforming your look at home, this oil-painting system ensures deep color penetration and brilliant shine. Experience permanent color coverage that cares for your hair during the coloring process.