Cool Garnier Olia Hair Color Ideas. Now with an improved formula with no ammonia, no silicone and 60% oils to propel colour deep inside the hair for maximum colour and up to 100% grey coverage. If you have blonde to dark blonde hair, you will have the closest results to the pack.
It also provides 100% grey coverage. Web formulated with 60% oils, no ammonia, no silicones, no parabens and no phthalates. Is this shade right for me?
