Dia Activateur 1000ml

L’Oréal Professionnel Diactivateur Developer – For DIA Color & DIA Light Hair Color

L’Oréal Professionnel Diactivateur is a salon-trusted cream peroxide developer, specially formulated for use with L’Oréal DIA Color and DIA Light demi-permanent hair colours. Designed to deliver even, radiant, and long-lasting results, this developer ensures a smooth, gentle colouring experience—ideal for tone-on-tone color, grey blending, and hair glossing treatments.

Gentle, Consistent Color for All Hair Types

Whether you're refreshing faded tones, enhancing shine, or blending greys, Diactivateur’s rich, creamy texture allows for controlled application and uniform color results. Its fully stabilised and buffered formula maintains color integrity while being gentle on color-treated, sensitised, permed, or chemically straightened hair.

Perfect Match for DIA Color System

This developer is specifically designed to pair with L’Oréal DIA Color (the new formula replacing DIA Richesse) and DIA Light, offering up to 70% grey coverage, intense shine, and soft color blending—all without ammonia. Available in 6 Vol (1.8%), 9 Vol (2.7%), and 15 Vol (4.5%) to suit every hair colouring need.

6 Vol for gentle toning or color refreshing

9 Vol for standard tone-on-tone colouring

15 Vol for enhanced grey blending and deeper color deposit

Ideal For:

Demi-permanent hair color application at home or in salons

Refreshing highlights and toning pre-lightened hair

Color correction and pre-pigmentation

Gloss treatments on dull or faded hair

Grey blending with a natural finish

Easy Mixing & Application

Mix in a 1:1.5 ratio with DIA Color or DIA Light (e.g., 50 ml color + 75 ml Diactivateur). Apply evenly and process for 5 to 20 minutes depending on desired intensity. Rinse thoroughly and follow with a color-protect shampoo for best results.

cream peroxide developer for demi-permanent hair color

best developer for L’Oréal DIA Color and DIA Light

developer for grey blending and hair glossing

ammonia-free tone-on-tone hair color system

developer for color-treated and chemically processed hair

L’Oréal Diactivateur Developer is the essential companion for vibrant, glossy, and low-maintenance hair color—trusted by professionals, now accessible for high-performance at-home use.