- 0
- 10.01
- 10.02
- 10.12
- 10.13
- 10.18
- 10.21
- 10.22
- 10.23
- 10.24
- 10.32
- 10.82
- 4
- 5
- 5.07
- 5.1
- 5.11
- 5.12
- 5.66
- 5.8
- 6
- 6.1
- 6.11
- 6.13
- 6.23
- 6.28
- 6.3
- 6.34
- 6.35
- 6.45
- 6.8
- 7
- 7.01
- 7.11
- 7.12
- 7.13
- 7.18
- 7.23
- 7.3
- 7.31
- 7.4
- 7.43
- 7.8
- 8
- 8.1
- 8.11
- 8.21
- 8.23
- 8.24
- 8.28
- 8.3
- 8.34
- 8.43
- 9
- 9.01
- 9.02
- 9.03
- 9.1
- 9.11
- 9.12
- 9.13
- 9.18
- 9.2
- 9.21
- 9.3
- 9.31
- 9.82
L’Oréal Pro Dia Light Gloss Color Hyaluronic Acid Hair Colour 5.8
Color Gloss with Hyaluronic Acid: The Professional Hair Colour that Hydrates While it Transforms
Now revamped - with a new look, the same professional performance you already know… and an even greater focus on shine, hydration, and precise results.
At the basin, the mixture becomes a smooth, easy-to-control cream. During application, the difference is noticeable: it glides on without dripping, envelops the hair fibre, and "hugs" the hair - even when sensitised after bleaching. In 20 minutes, the results emerge… mirror-like shine, cleaner reflections, naturally revived colour.
Dia Light is a tone-on-tone hair colour with an acidic pH, created for technical salon services: to tone after bleaching, neutralise unwanted shades, refresh faded lengths, and restore that gloss effect that transforms dull hair into hair with presence. Ammonia-free, no lift, no extra aggression… and with a feeling of fuller hair fibre.
Hyaluronic Acid (hyaluronic complex) acts during the service: it helps restore lost moisture and coats the fibre with a hydrating layer. The cuticle is more sealed, the feel more disciplined, and the hair gains resistance - ideal when the priority is to preserve the integrity of the cortex and work safely on bleached hair.
For your salon, this means predictability and personalisation: 80 shades + chromatic boosters (Blue, Violet, Red/Orange, Yellow/Orange, Green) to build colour, shine, and neutralisation in detail, with a glossy finish that can last up to 6 weeks.
Key features:
Acidic tone-on-tone hair colour (acidic pH)
Enriched with Hyaluronic Acid: hydration during colouring
Ammonia-free and no lift
Immediate gloss effect: 82% more mirror-like shine and a softer feel
Tones and neutralises unwanted shades post-bleaching
Revives faded lengths and ends after colouring
Instantly combats visible fibre dehydration
2x more hydration vs. previous formula
Preserves the integrity of the hair cortex and helps seal the cuticle
Helps strengthen sensitised fibre (instrumental test on bleached hair)
Result with shine/gloss colour for up to 6 weeks
Processing time: 20 minutes
For professional use
The shade samples are merely indicative, as they may vary depending on the computer screen used for viewing. Therefore, Pluricosmética declines any responsibility for potential colour variations that may occur.
Mix Dia Light with the appropriate developer (Diactivator 6, 9 or 15 vol.) according to the L'Oréal Professionnel technical protocol and desired result.
Apply evenly to clean, dry or damp hair, respecting the application areas according to the desired service (roots, lengths or ends).
Processing Time: Leave on for 20 minutes.
Emulsify gently with warm water before rinsing thoroughly. Finish with a post-colour treatment (conditioner or mask) for maximum cuticle sealing and gloss colour fixation.
For chromatic personalisation, add the boosters in the recommended proportion:
Blue Booster – to neutralise orange tones
Violet Booster – to neutralise yellow tones
Red/Orange Boosters – to intensify warm reflections
Yellow & Orange Boosters – to revitalise golden/copper tones
Green Booster – to neutralise unwanted reddish tones
Warning: Never combine Blue or Green Booster with copper/red shades containing Rubilane, Carmilane or DM5.
Hair colourants can cause severe allergic reactions.
Read and follow the instructions.
Perform a preliminary allergy test 48 hours before applying any colourant. If no irritation occurs, proceed with the application.
Read the leaflet accompanying the product carefully.
This product must not be used on persons under 16 years old.
For professional use only.
Wear appropriate gloves. If the product comes into contact with eyes, rinse immediately and thoroughly with water.
Do not use to colour eyelashes or eyebrows.
Latest update: 2026-07-18 11:14:25
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Limited
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