Olia by garnier naturally is our first oil powered and ammonia free hair color at home, experience an exceptional color and a visible improvement of hair quality in a variety of shades, choosing your perfect shade:hair colour result will vary depending on your natural colour. If you are deciding between 2 shades, we recommend to always choose the lightest, the colour result: on grey hair, colour will appear lighter than on non-grey hair, test for allergies 48 hours before use.
