The Dia Activateur 9 Vol Developer L'Oréal Professionnel (1000ml) is a specific 9 volume (2.7%) developer, designed to work in perfect synergy with Dia Light and Dia Richesse semi-permanent tone-on-tone colourants. This 1000ml format ensures efficiency and precision in a professional salon environment.
Technology and Performance
Its gentle yet effective formula is designed to maintain the hair's natural colour, providing perfect, even, and well-defined shades without lightening the hair's base. Enriched with protective conditioning agents, this developer works deeply to nourish and hydrate the hair during the technical process, leaving lengths and ends exceptionally soft, silky, and with an intense shine.
Technical Specifications
Product type: Activator / Developer Cream (Universal for Dia Light and Dia Richesse ranges)
Volume: 9 Vol / 2.7%
Size: 1000ml
Grey coverage: Up to 30% of grey hair
Lightening: Does not promote lightening (0 levels)
Texture: Fluid cream
Indication: Professional use
Highlights, Care, or Additional Benefits
Ideal for use immediately after complex technical services or for those who wish to maintain and revive existing colour without altering the natural base tone. Its gentle action uniformly disguises up to 30% of primary grey hair, meticulously caring for the scalp and preserving the integrity of the hair fibre.
Expert Tip
Follow the instructions provided on the packaging or by a professional. This L'Oréal Activateur should be used with the appropriate volumes according to the client's hair condition and desired visual result, maximising shine and softness retention in professional ratio mixtures.
Preparation: Wear suitable, disposable gloves before starting preparation, keeping them on during application and rinsing.
Mixing Ratio: In a non-metallic bowl, mix in a 1:1.5 ratio (for example, combine 1 tube of 50 ml of Dia Light or Dia Richesse colourant with 75 ml of Dia Activateur 9 Vol).
Application: Distribute the mixture evenly through the hair, focusing on lengths and ends or according to the planned professional technique.
Development Time: Follow the instructions provided on the packaging or by a professional.
Rinsing: Rinse hair thoroughly with water after application, completely removing all product residues.
Hair colourants can cause severe allergic reactions.
Read and follow the instructions.
Perform a preliminary allergy test 48 hours before applying any colourant. If no irritation occurs, proceed with the application.
It is mandatory to perform an allergy alert test imperatively 48 hours before each use of this product (follow the leaflet).
Read the leaflet accompanying the product carefully.
This product is not intended for use on persons under the age of 16.
Temporary 'black henna' tattoos may increase the risk of allergy.
Do not colour the client's hair if they: have a rash on their face or a sensitive, irritated, or damaged scalp; have ever experienced any reaction after colouring their hair; have ever experienced a reaction to a temporary 'black henna' tattoo.
Contains: diaminobenzenes, resorcinol, phenylenediamines (diaminotoluenes), ammonia.
Avoid contact of the product with eyes, do not use for colouring eyelashes or eyebrows.
Rinse eyes immediately and thoroughly with water if the product comes into contact with them.
Rinse hair thoroughly with water after application.
Wait 15 days after a relaxer, perm, or long-lasting straightening treatment before applying the colour.
Do not use on hair coloured with henna or a progressive colourant.
Keep out of reach of children.
For professional use only.
Wear appropriate gloves. If the product comes into contact with eyes, rinse immediately and thoroughly with water.
Wear suitable, disposable gloves during preparation, application, and rinsing of the product.
Do not use on irritated, broken, or damaged skin on the scalp.
In case of irritation or allergic reaction, discontinue use and consult a doctor.
External use product. Do not ingest.
Store in a cool, dry place, away from direct sunlight.
Respect the storage conditions and expiry date indicated on the packaging.
Latest update: 2026-06-14 00:13:48
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