Olia Permanent Hair Dye 9.0
Garnier Olia Permanent Hair Dye 9.0 delivers long-lasting permanent color in a creamy, oil-infused texture that spreads smoothly for even coverage. Suited to at-home users aiming for reliable grey coverage and saturated results, it works best on medium to thick hair. The formula is marketed as ammonia-free and focuses on enduring, natural-looking color rather than temporary tinting.
Ingredient Safety
No risk1
Low risk10
Moderate risk2