Garnier Olia No Ammonia Permanent Hair Color in shade 10 Deep Black offers vibrant, long-lasting color without ammonia. This hair color provides intense black tones that cover grays and give a deep, rich color result. The unique formula is powered by 60% oils with natural flower oils for maximum color performance and visibly improved hair quality. Experience the blend of natural flower oils for a pleasant scent and nourished hair. Garnier Olia No Ammonia Permanent Hair Color 10 Deep Black is a luxurious hair color option that cares for your hair while delivering beautiful, intense color.