Dia color
Demi permanent, no ammonia hair color. Gives 3x shinier hair, 6 weeks for glossy color and optimal grey coverage.
Description
Dia color restores hair color and shine with Melanin Gap Filler Technology that replicates melanin color and position in the fiber to perfectly fill gaps from lost melanin. The end of dull hair is here.
*Maximum % of naturality across all shades of the range, with at least 84%.
**Instrumental & consumer tests.
***Instrumental test.
What it does
• Offers 6 weeks of gloss color**
• Enhances hair with 3x more shine**
• Lifts up to 1 level with aklaline technology, without no ammonia
• Adds reflect and dimension for all hair types and textures
• Enables customizable results with a large intermixable palette of shades from lightest blondes to darkest browns in cool, neutral, and warm tones.
• Has a positive impact on the environment: it uses 36% less packaging**** and saves up to 27 tone of paper/year**** made from 100% recycled cardboard and 95% post recycled aluminum tubes
**Instrumental & consumer tests. ***Instrumental test. ****Vs. Dia Richesse.
Results
Shiny, natural looking, vibrant, glossy hair.
Reverse melanin loss effects for 6 weeks of gloss color*
Up to 70% grey coverage.
3x more shine.**
100% true-to-tone natural reflects.
Up to 92% natural origin ingredients.***
No ammonia.
*Instrumental & consumer tests
**Instrumental test
***Maximum % of naturality across all shades of the range, with at least 84%
Pro tips
• 6-vol. Dia Activateur Developer for soft tone on tone color deposit
• 9-vol. Dia Activateur Developer for standard tone on tone color and maintenance
• 15-vol. Dia Activateur Developer for strong color deposit and optimal grey blending
Service opportunities
• Refresh haircolor for clients looking for low maintenance color
• Grey coverage up to 70%
• Add shine to naturally dull hair
Ingredients
FAQs
1. What is Dia hair color best used for?
Dia hair color is ideal for enhancing natural tone, refreshing faded color, and adding high-gloss shine. It works especially well for clients looking for a low-commitment, demi-permanent hair color solution.
2. How long does a demi-permanent hair gloss like Dia color last?
A demi-permanent hair gloss such as Dia color typically lasts for up to 6 weeks, depending on hair type, porosity, and post-color care routine.
3. Is Dia color suitable for first-time hair color users?
Yes, this ammonia-free, demi-permanent hair color is perfect for beginners who want to experiment with subtle color, shine, and dimension without long-term commitment.
4. Can Dia color help blend grey hair?
Yes, Dia color provides up to 70% grey coverage, making it a great option for soft grey blending while maintaining a natural-looking finish.
5. Does Dia color lighten the hair?
Dia color can lift up to 1 level due to its alkaline technology, making it suitable for slight lightening while enhancing natural reflects.
6. What makes Dia color different from permanent hair color?
Unlike permanent dyes, demi permanent hair color no ammonia like Dia color does not fully penetrate the hair cortex. It gently coats and enhances the hair, offering shine and tone without heavy commitment.
7. Is Dia color safe for frequent use?
Yes, this demi-permanent, ammonia-free formula is gentle on the hair, allowing for regular use to maintain shine, vibrancy, and refreshed color.
8. Can Dia color be customized for different shades?
Absolutely. The L’Oréal Professionnel Dia hair color range offers a wide palette of intermixable shades, allowing professionals to create customized tones from cool blondes to rich brunettes.
9. Will Dia color improve dull hair appearance?
Yes, Dia color is specifically designed to revive dull hair by restoring vibrancy and delivering up to 3x shinier hair.
*Instrumental test.
10. Does Dia color support sustainable beauty practices?
Yes, L’Oréal Professionnel Dia hair color is designed with sustainability in mind, using reduced packaging and recycled materials, making it a more environmentally conscious hair color choice.








