Dia color demi-permanent gloss color by L'Oréal Professionnel.

Dia color

Reverse melanin loss effects for 6 weeks of gloss color¹ and up to 70% grey coverage.

¹Instrumental & consumer tests.

Discover the science behind Dia color.

Dia color demi-permanent color with no ammonia.

Available in 40 shades, mixable and customizable for personalized color results.

6 weeks of gloss color¹.
3x more shine².
Up to 70% grey coverage.
100% true-to-tone color.
Up to 92% natural-origin ingredients³.

1 Consumer & instrumental tests.
2 Instrumental test.
3 Maximum % of naturality across all shades of the range, with at least 84%.

The tech

The end of dull hair is here.
[Melanin Gap Filler Technology]

Fills gaps from lost melanin and reinjects color inside the fiber. Up to 92% natural origin1. No ammonia. - Compensate melanin loss effects for 6 weeks of gloss color2. - Up to 70% grey coverage.

1 Maximum % of naturality across all shades of the range, with at least 84%.
2 Instrumental

The science

Reverse melanin loss effects for 6 weeks of gloss color.

Melanin molecules in hair provide color, vibrancy, and shine: Melanin degrades as we age, causing dullness and grey hair. Dia color revives vibrant visible reflects and provides nourishing shine that lasts.

Sustainability

Dia color for the future.

- 36% less packaging¹. - 27 fewer tons of paper¹. - 100% recycled + recyclable packaging. - 95% post recycled aluminum tube¹.

¹Vs. Dia Richesse

Co-developed with pros.

My Hair [iD] Pro color consultation.

My Hair [iD] is a personalized color consultation tool featuring both iNOA & Dia color.

Unique inspirations, virtual try-on, professional diagnosis and product recommendation combined in an all-in-one experience.

Start the experience now:

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All you need to know about Dia color.

Dia color tips from pro to pro.

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Let’s see it from you!

Post your hair looks and insights with #Diacolor on Instagram & Tiktok!

How to take the perfect picture?

Try a clean background, good lighting and close-up on hair.

Don’t hesitate to hold it slightly to valorize the result and to make the professional difference stand out! Use the hashtag #Diacolor for a chance to get featured on @lorealpro.

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