Dia color
Dia color Demi-permanent gloss color. Reverse dullness loss effects for 6 weeks of gloss colour¹.
Melanin Gap Filler Technology with up to 92% natural origin formula² that replicates melanin colour and position in the fiber to perfectly fill gaps from lost melanin.
Its benefits: Ammonia-free Up to 70% grey coverage. 100% true-to-tone natural reflects. 3x shinier hair³.
Tested, co-created & approved by pros.
¹Instrumental & consumer tests. ²Maximum % of naturality across all shades of the range, with at least 84%. ³Instrumental test.
Breakthrough discovery.
L'Oréal Professionnel discovered the origin
of dull hair. Melanin molecules degrade
progressively over time, causing hair to
become duller and duller as it turns grey.
What about the
Dia Color Tech?
[Melanin Gap Filler technology]
Fills gaps from lost melanin and reinjects color inside the fiber.
Up to 92% natural origin*.
*Maximum % of naturally across all shades of the range, with at least 84%.
Discover Dia color hair transformations
on different hair types.
Why Pros love Dia color.
Become A L'Oréal Professionnel Expert
[Style My Hair Pro]
The professional hair colour consultation app for inspiration, virtual try-on experience and digital shadecharts at your fingertips.