Back
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.
