L’Oreal Professionnel Diactivateur You CHOOSE – 6, 9, or 15 Volume

L’Oréal Professionnel Diactivateur Developer is a gentle, low-volume cream developer specially formulated to pair with the L’Oréal Dia light and Dia richesse demi-permanent color systems. This professional-grade developer is designed to deliver smooth, even results while preserving the hair’s natural integrity and shine.

Created with a conditioning, creamy texture, Diactivateur ensures controlled lift and deposit for tone-on-tone color, glossing, refreshing, or subtle grey blending. Its ammonia-free formulation makes it ideal for clients seeking radiant color with minimal commitment and maximum softness.

Key Features & Benefits

• Ammonia-free formula for gentle processing

• Designed specifically for Dia Light & Dia Richesse color systems

• Creamy consistency for easy mixing and precise application

• Promotes exceptional shine and a silky finish

• Enhances color vibrancy, tone refresh, and gloss services

• Low-volume options allow controlled, subtle results with no harsh lift

• Ideal for damaged, sensitized, or fine hair

Available Strengths

L’Oréal Diactivateur comes in multiple volumes to suit different coloring needs:

• 1.8% / 6 vol. – For gentle deposit, toning, and glossing

• 2.7% / 9 vol. – For deeper deposit and enhanced tonal results

• 4.5% / 15 vol. – For slightly more pronounced results on Dia Richesse

(Availability varies depending on region.)

Recommended Uses

• Refreshing mid-lengths and ends

• Tone correction on pre-lightened hair

• Soft blending of natural grey

• Enhancing shine and color dimension

• Glossing or acidic color services

Mixing Ratio

Typically 1:1.5 or per manufacturer’s instructions, depending on desired service and the specific Dia color line used.

Ideal For

Professional stylists performing demi-permanent, acidic, or no-lift color services seeking predictable, luminous, and conditioning results.

 FOR PROFESSIONAL USE ONLY ~ BLUESTAR IS RESPONSIBLE FOR ERRORS MADE BY NON-PROFESSIONALS 

     THANK YOU FOR SHOPPING BLUESTAR BEAUTY SUPPLY            Listing Updated/Revised as of 03/06/2026 (AB)!