L’ORÉAL PROFESSIONNEL DIA ACTIVATEUR II 6 VOL 1

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L’Oréal Professionnel Dia Activateur II is a 6 volume (1.8%) cream developer specifically formulated for use with the Dia Light, Dia Richesse, and Dia Color demi-permanent color lines . This low-concentration activator is the professional’s choice for services requiring color deposit without lift, including toning, glossing, refreshing faded color, and corrective color techniques .
The gentle formula is ideal for use on sensitized, porous, or chemically treated hair, providing luminous color results and vinyl-like shine without causing additional damage . It is also perfect for toning unwanted brassy undertones after lightening services and for refreshing lengths and ends while permanent color processes at the roots .
This product is intended for professional use only . To use, mix one tube (50ml) of Dia Light or Dia Richesse with 75ml of Dia Activateur II (1:1.5 ratio) . Apply to clean, dry hair and process for 2-20 minutes depending on the desired intensity and service type, then emulsify, rinse thoroughly, and follow with a post-color shampoo .
Description

Table of Contents

L’ORÉAL PROFESSIONNEL DIA ACTIVATEUR II 6 VOL 1.8% 1L

PRIMARY USES

1. Low-Concentration Cream Developer for Semi-Permanent Color Services
  • What it does: This 6 volume (1.8%) cream developer is specifically formulated to be mixed with L’Oréal Professionnel demi-permanent color lines including Dia Light, Dia Richesse, and Dia Color . Its low hydrogen peroxide concentration provides gentle activation that deposits color without lifting the natural hair base, making it the preferred choice for services requiring minimal to no lightening .
  • How it helps your hair: For the person with sensitized, porous, or previously treated hair, this provides a gentle coloring experience that won’t cause further damage or unwanted lift. For anyone who wants to refresh or tone their color without commitment, this means a low-risk option that respects the hair’s integrity.
2. Creates Vinyl-Like Shine and Natural Reflection
  • What it does: When paired with Dia Light or Dia Richesse, this activator enhances the final result with intense, vinyl-like shine and luminous color tones . The low-volume formula allows for pure color deposit that reflects light beautifully without the dulling effect sometimes seen with higher peroxide volumes.
  • How it helps your hair: For the person whose colored hair looks flat or lacks luster, this provides a glossy, reflective finish that makes hair appear healthier and more vibrant. For anyone wanting that “salon-fresh” shine without constant touch-ups, this means a treatment that delivers brilliant radiance.
3. Ideal for Toning and Neutralizing Unwanted Undertones
  • What it does: This developer is the professional’s choice for toning services to neutralize unwanted yellow or brassy undertones following lightening services . It can also be used to refresh existing color on lengths and ends while a permanent color is applied to the roots, ensuring a perfect match .
  • How it helps your hair: For the person who has recently had highlights or balayage and notices unwanted warmth, this provides a toning solution that corrects brassiness without further lightening. For anyone who wants to maintain cool, neutral, or ash tones between salon visits, this means a targeted correction service.
4. Gentle Formula for Sensitized and Fragile Hair
  • What it does: The low peroxide concentration (1.8%) makes this activator ideal for use on fragile, porous, or chemically treated hair, including hair that has been permed or straightened . It allows for color application on lengths and ends without risking over-processing or additional damage.
  • How it helps your hair: For the person whose hair has been compromised by previous chemical services, this provides a safe way to refresh or enhance color without causing further stress to the hair fiber. For anyone with naturally fine or delicate hair, this means a gentler coloring experience.
5. Enables Corrective Color and Pre-Coloration Techniques
  • What it does: This activator can be used for corrective color services and pre-coloration treatments, where the goal is to even out porosity or create a uniform base before permanent color application . It helps prepare the hair for more predictable results in subsequent services.
  • How it helps your hair: For the person with uneven color or porosity issues, this provides a corrective solution that creates a more uniform canvas for future coloring. For anyone who has experienced patchy or inconsistent color results, this means a preparatory step that improves overall outcomes.
6. Ammonia-Free Formula for Softer Hair Feel
  • What it does: The Dia Activateur II is designed to be used with ammonia-free color lines, ensuring that the entire coloring process is gentler on the hair fiber . The formula helps maintain softness and hair health while delivering professional color results.
  • How it helps your hair: For the person who finds traditional color services too harsh or drying, this provides an ammonia-free alternative that leaves hair feeling softer and looking healthier. For anyone with sensitive scalps or respiratory sensitivity, this means a more comfortable coloring experience.
7. Developed for Professional Use Only
  • What it does: This product is a professional-grade developer intended for use by trained hair professionals only . It must be mixed with compatible L’Oréal Professionnel color products at specific ratios to ensure safety, efficacy, and optimal results.
  • How it helps your hair: For the client, this ensures their service is performed with professional-grade products under controlled conditions, leading to superior, predictable results. For the stylist, it guarantees a reliable, consistent product for their color services.
8. Available in Professional 1L Size
  • What it does: This 1 liter (1000ml) bottle is designed for professional salon use, offering excellent value and ensuring sufficient product volume for multiple services . The large format is ideal for salons that perform frequent toning, glossing, and demi-permanent color services.
  • How it helps your hair: For salons, this provides a cost-effective supply of a staple product. For the client, it means their stylist always has fresh, consistent product available for their service.

SECONDARY USES

1. Glossing and Glaze Services: Apply over natural or colored hair for 5-10 minutes to add intense shine and subtle color reflection without altering the base shade . For the person who wants a “gloss” service between color appointments, this provides a quick, low-commitment shine boost.
2. Lowlight Application: Mix with darker Dia Richesse shades to add dimension and depth to highlighted or blonde hair . For the person with highlights that need more contrast, this provides a way to add lowlights without harsh lines or damage.
3. Color Refresh on Lengths and Ends: Apply to mid-lengths and ends while a permanent color processes on the roots to refresh fading color and ensure a seamless match . For the person whose ends have faded faster than their roots, this provides an even, uniform result.
4. Balayage and Highlight Toning: Use to tone balayage, ombré, or foiled highlights for a polished, natural-looking finish . For the person with hand-painted highlights that need subtle toning, this provides a service that respects the graduated, natural effect.
5. Pre-Coloration Treatment: Apply before permanent color to even out porosity and improve color absorption on porous ends . For the person whose color turns out darker on the ends than at the roots, this provides a preparatory step that creates a more uniform canvas.
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Brand: L'Oréal Professionnel Paris
  • Product Name: Dia Activateur II / Diactivateur Activator 6 Vol
  • Concentration: 6 Volumes - 1.8% Hydrogen Peroxide 
  • Volume: 1L / 1000ml 
  • Product Type: Professional cream developer / oxidizing emulsion
  • Formula: Cream emulsion
  • Compatible With: Dia Light, Dia Richesse, Dia Color (demi-permanent lines) 
  • Intended Use: Professional salon use only 
  • EAN: 3474630440395 

2. TECHNICAL & FORMULATION PROPERTIES

  • Active Agent: Hydrogen Peroxide (1.8%) 
  • Key Function: Activates color pigments for deposit-only services with no lift 
  • Mixing Ratio: 1:1.5 (e.g., 50ml color + 75ml activator) 
  • Processing Time: 2-20 minutes depending on service type 
  • Key Inactive Ingredients: Aqua/Water, Cetearyl Alcohol, Glycerin, Ceteareth-25, Tetrasodium Etidronate, Tetrasodium Pyrophosphate, Sodium Salicylate, Phosphoric Acid, Trideceth-2 Carboxamide MEA 
  • Key Features: Ammonia-free formula, creamy texture for easy application 
  • Primary Function: Activate demi-permanent hair color for deposit-only services including toning, glossing, refreshing, and corrective color
  • Application: Mix with Dia Light or Dia Richesse at 1:1.5 ratio, apply to clean, dry hair, process according to service type, emulsify, rinse thoroughly

3. PHYSICAL ATTRIBUTES

  • Product Form: Cream developer / oxidizing emulsion
  • Texture: Rich, creamy, non-drip 
  • Color: White to off-white cream
  • Packaging: 1L bottle (typically plastic) 

4. HOW TO USE

For Professional Use Only:
This product must be used by a qualified hair professional. Do not use at home.
Preparation:
  1. Wear appropriate protective gloves.
  2. Do not use metal bowls or utensils.
Mixing:
  1. Dispense one tube (50ml) of Dia Light or Dia Richesse color cream into a non-metallic bowl or shaker .
  2. Add 75ml of Dia Activateur II (6 Vol) .
  3. Mix thoroughly until a homogeneous consistency is achieved.
  4. The mixing ratio must be maintained at 1:1.5 even when adjusting quantities .
Application:
  1. Apply the mixture to clean, dry, unwashed hair .
  2. Use sectioning techniques appropriate for the desired service (full color, toning, gloss, refresh).
Processing Times by Service Type:
Service Type
Processing Time
Toning / Glossing (enhancing natural tone)
5-10 minutes 
Color Refresh / Darkening
20 minutes 
Natural Hair Gloss (shine only)
20-30 minutes 
Same-day service (after perm/straightening)
10 minutes 
Rinse and Finish:
  1. At the end of the processing time, gently emulsify the product by adding a small amount of lukewarm water and massaging through the hair.
  2. Rinse thoroughly until the water runs clear .
  3. Follow with a post-color shampoo.
Pro Tips:
  • Do not use with hydrogen peroxide higher than 15 volumes (4.5%) .
  • If using a shaker, open it immediately after mixing to prevent pressure buildup .
  • Always perform a skin sensitivity test (patch test) 48 hours before any coloring service .
  • Do not use on hair previously treated with metallic dyes or henna.
SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

  • For Professional Use Only: This product is a chemical developer and must only be used by trained professionals .
  • Contains Hydrogen Peroxide: Avoid contact with eyes and skin.
  • Protection: Wear suitable protective gloves during the entire mixing and application process .
  • Allergy Warning: Hair colorants can cause severe allergic reactions. A patch test is obligatory 48 hours before each use .
  • Do Not Use If: The client has a rash on the face, a sensitive, irritated, or damaged scalp, or has had a previous reaction to hair color or a black henna temporary tattoo .
  • Not for Use on: Eyebrows, eyelashes, or persons under 16 years of age .
  • Ventilation: Ensure adequate ventilation in the work area.
  • Mixing: Do not use metal tools or bowls.
  • Storage: Keep out of reach of children. Store in a cool, dry place away from direct light and heat.
  • Disposal: Empty the container completely before disposal.

2. FIRST AID MEASURES

  • Eye Contact: If product enters eyes, rinse immediately with plenty of clean, lukewarm water for at least 15 minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention .
  • Skin Contact: If product contacts skin, wash off immediately with soap and water. If irritation or redness develops, seek medical advice.
  • Ingestion: This product is not intended for ingestion. If accidentally swallowed, rinse mouth with water and drink a glass of water. Do not induce vomiting. Seek medical attention immediately .
  • Inhalation: If respiratory discomfort occurs, move to fresh air. Seek medical attention if symptoms persist.
Allergic Reaction: Signs may include rash, hives, itching, swelling of the face, lips, tongue, or throat, difficulty breathing, or dizziness. If an allergic reaction is suspected, discontinue use immediately, rinse thoroughly, and seek emergency medical attention.