NEW IN SALON
Fight dullness for 6 weeks of gloss colour1 .
Up to 70% grey coverage.
1Instrumental & consumer tests.
Discover the science behind Dia color.
![L'Oréal Professionnel Default img Video YouTube](https://i3.ytimg.com/vi/JBC2Y6czAWk/maxresdefault.jpg)
PERFORMANCE
Dia color
Alkaline demi-permanent colour. Ammonia-free.
Available in 40 shades,
mixable and customizable for personalized colour results.
- 6 weeks of gloss colour 1.
- 3x more shine 2.
- Up to 70% grey coverage.
- 100% true-to-tone colour.
- Up to 92% natural-origin ingredients 3.
1Consumer & instrumental tests.
2Instrumental test.
3Maximum % of naturality across all shades of the range, with at least 84%.
![L'Oréal Professionnel Dia color](https://www.lorealprofessionnel.ca/ca-en/-/media/master/aox-landing-page-webstories/dia-color-2024/the-performance/v_EditoCarrousel_Square_1_Desk.jpg)
![L'Oréal Professionnel Dia color](https://www.lorealprofessionnel.ca/ca-en/-/media/master/aox-landing-page-webstories/dia-color-2024/the-performance/v_EditoCarrousel_Square_2_Desk.jpg)
![L'Oréal Professionnel Dia color](https://www.lorealprofessionnel.ca/ca-en/-/media/master/aox-landing-page-webstories/dia-color-2024/the-performance/v_EditoCarrousel_Square_3_Desk.jpg)
![L'Oréal Professionnel Dia color](https://www.lorealprofessionnel.ca/ca-en/-/media/master/aox-landing-page-webstories/dia-color-2024/the-performance/v_EditoCarrousel_Square_4_Desk.jpg)
TESTIMONIALS
Co-developed with pros.
Naturality is a strength, and the results were still 100%. The shine was impeccable and the reflect of tone was expressive. I was really impressed.
Jessica Gonsalves
@jess.stylist
Professional colorist, U.S.A.
![L'Oréal Professionnel Default img Video YouTube](https://i3.ytimg.com/vi/fpCKT_pm9Zw/maxresdefault.jpg)
DIA COLOR TOOLBOX
All you need to know about Dia color.
![L'Oréal Professionnel Default img Video YouTube](https://i3.ytimg.com/vi/FA9byx1k6W4/maxresdefault.jpg)