Olia Permanent Hair Dye 1.0
As an editor assessing hair color, I note Garnier Olia Permanent Hair Dye 1.0 delivers rich, long-lasting color with a creamy, oil-enhanced texture that smooths during application. Suited for those seeking full coverage and glossy results, it appeals to users wanting an ammonia-free permanent dye and confident at-home color application.
Ingredient Safety
No risk1
Low risk10
Moderate risk2