L'Oréal Professionnel Dia Color 5.1 Light Ash Brown 60ML 350ml Hair Wash No need to use pre-treatment

No need to use pre-treatment to neutralize metal when colouring with Koleston Perfect

Leaves the skin toned and replenished with vital nutrients

but this lightweight formulation disperses evenly to coat strands with a fine mist of reflective gloss

How should I use the ColorWow One Minute Transformation Cream

L'Oréal Professionnel Dia Color 5.1 Light Ash Brown 60ML 350ml Hair Wash No need to use pre-treatmentL'Oral Dia Color 1 is an alkaline demi permanent gloss color with no ammonia. The portoflio includes 100% true to tone natural reflects. Formulated with up to 92% natural origin ingredients,1 Dia color reverses melanin loss effects for 6 weeks of gloss color2 and up to 70% grey coverage. It provides 3x more shine3 and enhances hair vibrancy. The texture is creamy for easy mixing, application, and rinsing. Exclusively for professional use. L'Oral Dia