Skip to main content Skip to search Skip to main navigation
Menu

Average rating of 5 out of 5 stars

2 Reviews

L'Oréal Diactivateur 4.5% Developer

Description

Product information "L'Oréal Diactivateur 4.5% Developer"

The Loreal Diactivateur 4.5% developer is specifically formulated for Diarichesse and Dialight Intensive Toning. Its unique formula ensures that colour pigments are deeply anchored in the hair, resulting in vibrant colour results and long-lasting shine.

Results with Loreal Diactivateur 4.5% developer

  • Vibrant colours
  • Long-lasting shine

Application of Loreal Diactivateur 4.5% developer

DIA Light and DIA RICHESSE are mixed with the Diactivateur in a ratio of 1:1.5.

Properties

Brand: L'Oréal Professionnel Paris
Hair type: all
Product line: L'Oréal Professionnel DIA Light, L'Oréal Professionnel Dia Color
Texture: cream

Manufacturer

L'Oréal Professionnel Paris

L'Oréal Professionnel
14, rue Royale
75008 Paris
France
Contact email: [email protected]

Manufacturer website

Reviews 2

2 of 2 reviews

Average rating of 5 out of 5 stars


100%

0%

0%

0%

0%


How do you like this product?

Tell others about your experience!


2 reviews

6 October 2026 07:35

Review with rating of 5 out of 5 stars

zusammen mit Farbe von Loreal benutzt

lässt sich schnell und unkompliziert anmischen; ERgebnis gleichmäßig; schöner Glanz.

Our feedback: Danke für deine Bewertung 🩷

25 September 2026 08:45

Review with rating of 5 out of 5 stars

gleich dazu bestellt

bestelle zu den Farben gleich den Peroxid dazu. Kann man schön anmischen.

Our feedback: Danke für deine Bewertung ♥️

Ingredients

Aqua; Ceteareth-25; Cetearyl Alcohol; Glycerin; Hydrogen Peroxide; Pentasodium Pentetate; Phosphoric Acid; Sodium stannate; Tetrasodium pyrophosphate; Trideceth-2 carboxamide mea
Skip product gallery

You may also like

49
Loreal Diactivateur 2.7% Developer

Average rating of 0 out of 5 stars

16365
Loreal Diactivateur 2.7% Developer

The Loreal Diactivateur 2.7% developer is specially formulated for Diarichesse as well as Dialight intensive tints. Its unique formula ensures incredibly vibrant colour results. The colour is deeply anchored in the hair, enhancing not only longevity but also the intense shine. Results with Loreal Diactivateur 2.7% developer Long-lasting colour brilliance Incredible colour results Radiant hair Application of Loreal Diactivateur 2.7% developer Dia Light and Dia Richesse are mixed with Diactivateur in a ratio of 1:1.5.

Content: 1000 ml (€1.49 / 100 ml)

Sale price: €14.95 Regular price: €29.60
49
Loreal Diactivateur 1.8% Developer

Average rating of 5 out of 5 stars

16364
Loreal Diactivateur 1.8% Developer

The Diactivateur developer is suitable for Diarichesse, Dialight, and Dia Color. Thanks to innovative ingredients, it results in brilliant and radiant colour outcomes after treatment. The colour pigments embed deeply into the hair, appearing more intense as a result. Results with Loreal Diactivateur 1.8% Developer Brilliant and radiant colour results Long-lasting colours Usage of Loreal Diactivateur 1.8% developer Dia Light and Dia Richesse are mixed with Diactivateur in a ratio of 1:1.5.

Content: 1000 ml (€1.49 / 100 ml)

Sale price: €14.95 Regular price: €29.60
53
Schwarzkopf Osis + Refresh Dust Trockenshampoo Schwarzkopf Osis + Refresh Dust Trockenshampoo

Average rating of 5 out of 5 stars

15140
Schwarzkopf Osis + Refresh Dust Trockenshampoo

Refresh Dust by Schwarzkopf is a bodifying dry shampoo that refreshes the styling between washes. It is especially suitable for oily scalps that need instant refreshment. If your hair becomes too greasy right after washing, this product is just right for you. Not only does it have sebum absorbing properties, but also does it give hair body and texture. Hair is easier to style. While hair oil is soaked up, volume and body is restored. Refresh Dust gives light control and mattifies hair whilst restoring bounce. The fresh scent promotes a feeling as if you had freshly washed your hair. Result: Hair oil is absorbed Refreshed styling Incredible volume Increased texture matte effect hair is easier to style Spray onto roots to absorb hair oils, for more texture and matte effect with body spray onto lengths as well.

Content: 300 ml (€3.32 / 100 ml)

Sale price: €9.95 Regular price: €21.00
51
Schwarzkopf BlondMe Bleach & Tone Violet Schwarzkopf BlondMe Bleach & Tone Violet

Average rating of 0 out of 5 stars

15723
Schwarzkopf BlondMe Bleach & Tone Violet

The Schwarzkopf BlondMe Bleach & Tone Soft Violett is an additive mixed with the Premium Lightener for bleaching to achieve a gentle lift of up to 8 levels and tonal nuances in a single step. Blonde hair has a fragile hair structure that can be damaged by chemical processes. With BlondMe Bleach & Tone Violett, the hair is gently lightened, fiber bonds are rebuilt, and existing damage is strengthened and protected. Application tips for Schwarzkopf BLONDME Bleach & Tone Violett Apply to dry, unwashed hair. Use immediately after mixing. Utilise flexible mixing ratios for individual lightening results. Leave in for 20–45 minutes (without heat). Suitable for applications with or without scalp contact. Rinse thoroughly and care after the processing time.

Content: 60 ml (€16.42 / 100 ml)

Sale price: €9.85 Regular price: €19.92
12
Goldwell Elumen Lock Colour Sealing

Average rating of 4 out of 5 stars

15040
Goldwell Elumen Lock Colour Sealing

Goldwell Elumen Lock is a color sealing treatment. It is applied to towel-dried hair after coloring, distributed evenly, and left in the hair for up to 5 minutes before rinsing out. Goldwell Elumen Lock reduces the fading of Elumen hair color and extends its longevity. This post-color treatment seals the color by anchoring the pigments within the hair, resulting in exceptionally long-lasting color retention. Elumen Lock is the final step after coloring with Elumen Color. Afterwards, the hair can be further treated with Elumen Color Care products.

Content: 250 ml (€7.00 / 100 ml)

Sale price: €17.50 Regular price: €19.95
46
Schwarzkopf Strait Therapy Neutralisation Milk

Average rating of 0 out of 5 stars

15465
Schwarzkopf Strait Therapy Neutralisation Milk

The Schwarzkopf Strait Therapy Neutralization Milk is applied last after the smoothing process. It sets the hair for a perfect straighten that lasts up to 6 months. Before setting, the hair is prepared, smoothed, and post-treated. Therefore, the following products are also necessary: Strait Therapy Protection Balancer Spray, Strait Therapy Straightening Cream (0, 1, or 2), and the Strait Therapy Treatment. Results: Extremely smooth hair Brilliant shine

Content: 1000 ml (€1.39 / 100 ml)

Sale price: €13.95 Regular price: €25.68
50
Schwarzkopf Silhouette Super Hold Pump Spray Refill

Average rating of 0 out of 5 stars

15546
Schwarzkopf Silhouette Super Hold Pump Spray Refill

Schwarzkopf Silhouette Super Hold Pump Spray refill in the practical 1 liter size for Silhouette Super Hold Pump Spray with super hold.

Content: 1000 ml (€3.20 / 100 ml)

Sale price: €31.95 Regular price: €63.90
17
Hinshitsu Cutting Scissors GW1-60

Average rating of 0 out of 5 stars

21114
Hinshitsu Cutting Scissors GW1-60

Cutting scissors High-quality Asian stainless steel Polished surface Offset design Hollow grind (convex) / Slice Adjustable flat screw system Forged finger hook Integrated rubber stopper For right-handed users

Content: 1 pc (€349.00 / 1 pc)

Sale price: €349.00 Regular price: €418.80
45
Schwarzkopf Strait Therapy Cure

Average rating of 0 out of 5 stars

15467
Schwarzkopf Strait Therapy Cure

The Strait Therapy Treatment from Schwarzkopf rebuilds hair from the inside after the smoothing process, making it stronger and healthier. The vitamin reconstruction complex ensures healthy and radiant hair. The treatment is used as the finishing step 3 of the 4-step Strait Therapy programme for permanently straight hair. Result: Healthy and strengthened hair For a permanent result, the following products are also required: Strait Therapy Protection Balancer Spray, Strait Therapy Straightening Cream (0, 1, or 2), and the Strait Therapy Neutralising Milk.

Content: 500 ml (€3.79 / 100 ml)

Sale price: €18.95 Regular price: €34.56
52
Jaguar Orca Jaguar Orca

Average rating of 0 out of 5 stars

40172
Jaguar Orca

The Jaguar Orca safety razor is a design masterpiece in matte black and stainless steel. Weighing only 27g, it offers not only exceptional style but also outstanding performance. The long Jaguar blades of the Orca razor ensure precise cuts and an ultimate shaving experience. The redesigned ergonomics enable gentle and accurate guidance of the razor, exactly as the cut requires. Blade replacement is made easy thanks to the retractable blade holder, which simplifies handling and also ensures safety and comfort. The package includes an additional 10 double blades to keep you well equipped. Discover the Jaguar Orca safety razor – where design meets functionality and transforms your daily grooming ritual into a luxurious experience.

Content: 1 pc (€27.95 / 1 pc)

Sale price: €27.95 Regular price: €58.35
34
Lancaster Sun Beauty Body Mist SPF30

Average rating of 0 out of 5 stars

19456
Lancaster Sun Beauty Body Mist SPF30

Lancaster Sun Beauty Body Mist SPF30 is a sun protection spray offering comprehensive skin protection. The spray not only shields the skin from UVA and UVB rays but also counteracts pigmentation. It is easy to apply and absorbs quickly. The Sun Beauty Body Mist is ideal for all sun lovers seeking high protection. It is also recommended during sports, as it is waterproof and leaves no greasy film. Suitable for all skin types.What the sun protection spray does for your skinprotects against UVA and UVB raysprevents loss of elasticity and collagenacts against signs of skin agingcares for and nourishes the skinwaterproof

Content: 200 ml (€23.48 / 100 ml)

Sale price: €46.95 Regular price: €70.77
47
L'Oréal Professionnel Dia Light L'Oréal Professionnel Dia Light

Average rating of 4.8 out of 5 stars

19289
L'Oréal Professionnel Dia Light

Gentle colour glow for professionals & enthusiasts: L’Oréal Professionnel Dia Light is an acidic, demi-permanent hair colour without ammonia, specially developed to tone, refresh, and add natural shine to hair – ideal after lightening or colouring services or for in-between colour refreshes. The gel-cream technology helps to gently close the hair cuticle and smooth the hair fibre, resulting in visible, healthy shine. The formula makes colours radiate, revitalises faded lengths, and neutralises unwanted undertones – without bleaching or strong chemical stress.

Content: 60 ml (€19.92 / 100 ml)

Variants from €10.95
Sale price: €11.95 Regular price: €22.40

From our magazine



What are the best hair care products 2026? Our must-haves for beautiful hair

What are the best hair care products 2026? Our must-haves for beautiful hair

At BellAffair, we are constantly testing new product launches from exclusive professional hair brands. We’ve already found the best hair care for 2026!
Balayage

Hair Glossing: The secret to shiny, healthy hair

One method of color refinement is so-called hair glossing. It is particularly effective for colored, dry, or brittle hair.

Special Hair Care Gifts and Sets at BellAffair

Special Hair Care Gifts and Sets at BellAffair

Which hair care gift your loved ones will like best is revealed in BellAffair’s gift guide!

Review Kérastase Blond Absolu

Review Kérastase Blond Absolu

Kérastase Blond Absolu – the care line for blondes – has been hyped for years. Justified or not? We have the answer!

Frau packt Weihnachtsgeschenke ein

DIY Advent Calendar Magic

If you’re still lacking ideas for filling an Advent calendar, we hope this will inspire you.

Beauty-Tip: cleanse and moisturize your face

Beauty-Tip: cleanse and moisturize your face

Beautiful skin starts with the right care for your face! Your skin will love this skincare routine!

Frau mit roten Haaren die durch die Luft fliegen

Red hair, don’t care! Die beste rote Haarfarbe

Red is the trendy and always an eye-catcher. We’ve taken a closer look at the best red hair colors just for you.

Maria Nila Haarprodukte

Tutorial: How to use Maria Nila Colour Refresh

Quickly refresh your hair color? With the Maria Nila Colour Refresh application, this is easy to do at home. The result lasts for 4–10 hair washes. Find out more here!

5 tips to tame unruly hair

5 tips to tame unruly hair

April, April does whatever it wants! Does your hair too? Here are our 5 tips for taming unruly hair.

Frau wo eine Strähne ins Gesicht hängt

3 tips against dandruff: what does really help?

Fed up with dandruff? Here are 3 tipps what you can do about dandruff.
Vorher-Nachherbild von nicht geglätteten und geglätteten Haaren

Steam Hair Straightener: Does it live up to the hype?

Is a steam straightener better for your hair? Does it really live up to its promises? We tested it for you – here are our experiences with it!

Beach Waves

Beach Waves with a straightener – DIY instructions

They’ve been a trend for a long time and probably will never go out of style: beach waves. In this blog post, we’ll show you how to create them with a flat iron.