Discover Garnier Olia Permanent Hair Dye, an ammonia-free formula enriched with natural flower oils. Achieve vibrant, long-lasting color with a pleasant scent and improved hair condition. Olia offers exceptional grey coverage and a radiant finish for a salon-like look at home. This unique formula gently lifts the hair cuticle to deposit color evenly and effectively, promoting a softer feel and a healthy shine. Experience a transformative hair coloring process that is kind to your hair.