Did you know that L’Oréal Professionnel discovered the origin of dull hair: progressive melanin loss? This led them to create Dia Color, the first 92% natural-origin demi-permanent hair colour to reverse the effects of melanin loss!

Get ready to experience the revolutionary NEW Dia Color by L’Oréal Professionnel! This is a total game-changer in the world of hair colour.

NEW L’Oreal Dia Color at a glance

If you loved Dia Richesse, you will LOVE this new and improved formula from L’Oreal Professional. 

The ALL NEW L’Oreal Dia Color is enriched with luxurious, natural-origin ingredients for beautiful, radiant conditions.

These new shades will infuse the best tonality into the hair for stunning reflections and a shine that comes from within.

We know that change can be scary, but the switchover couldn’t be easier. You can intermix your existing shades in Dia Richesse with Dia Color, so you won’t be left with any leftover tubes. A new 60 ML format means you will always have your favourite shades to hand.

  • Up to 91% natural origin. ✅
  • No ammonia. ✅
  • 6 weeks of gloss colour. ✅
  • Up to 70% grey coverage. ✅


Dia Color is an alkaline tone-on-tone cream colour without ammonia.


It includes deep caring agents such as…

  • Shea butter for nourishment.
  • Propanediol (renewable vegetal oil or corn sugar origin).
  • Hyaluronic acid is known for its hydration properties.
  • Glycerin for hydration.

Discover a wide-ranging palette of 39 shades.

How to use L’Oreal Dia Color

1. Preparation

Wear suitable disposable gloves. ✅

Do not use metallic tools.  ❌

Use exclusively with the recommended Dia Activateur.

2. Mixing

In a non-metallic bowl or applicator bottle:

Mix with a 1 + 1.5 ratio
(60ml Dia color colouring cream + 90ml of Diactivateur).

3. Application & Development Time

Wear suitable disposable gloves and apply the formula on dry hair.

20 min development time starts at the end of the application.

Apply on the regrowth area, start development of 20 min.


Take through immediately to revive the colour with deeper results and/or darken.

Take through after 10 minutes, when lengths & ends are moderately faded.

Take through for the five last minutes when the colour is slightly faded.

Emulsify gently, rinse thoroughly and shampoo with Metal Detox shampoo.

What do the pros think?

Shop L’Oreal Dia Color at Salons Direct!

Dia Color



Shop Dia Color by L’Oréal Professionnel at Salons Direct!

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