L'Oreal New Dia Light Semi Permanent Hair Colour - 60ml

L'Oreal New Dia Light Semi Permanent Hair Colour - 60ml

L’Oréal Professionnel Dia Light Semi-Permanent Hair Colour is an advanced acidic gloss colour, powered by a 1% Hyaluronic Acid Complex to deliver intense hydration, shine, and improved hair quality. Specially developed for sensitised, bleached, or colour-treated hair, this ammonia-free formula helps restore moisture while enhancing tone and luminosity. Perfect for glossing, toning, or refreshing lengths, Dia Light supports healthier-looking hair with visibly radiant results.

Key Features:

• Powered by a 1% Hyaluronic Acid Complex to replenish lost moisture

• Instantly helps fight dryness, an early sign of hair damage

• Strengthens hair after bleaching with up to 3x less breakage

• Helps respect cortex integrity for improved hair condition

• Delivers up to 82% glossier colour results

• Ammonia-free, acidic formula suitable for sensitised hair

• Ideal for professional glossing, toning, and colour refreshing services

Professional Services:

• Hyaluronic Glossing: Adds a super-shine topcoat with up to 6 weeks of gloss colour

• Hyaluronic Toning: Neutralises or enhances tone after lightening with maximum shine

• Hyaluronic Refreshing: Revives faded lengths with renewed colour and luminosity

How to Use

1. Preparation

• Wear suitable disposable gloves

• Use exclusively with Diactivateur 6 vol (1.8%) or 9 vol (2.7%)

• Follow the proportions indicated on the carton and tube

• If using a shaker bottle, open immediately after mixing to avoid overflow

In a bowl or applicator shaker:

• Mix 60ml (1 tube) of Dia Light coloration cream

• Add 90ml of Diactivateur 6 vol (1.8%) or 9 vol (2.7%), depending on the desired result

• Always maintain a 1:1.5 mixing ratio if adjusting quantities

2. Application and Rinsing

• Wear suitable disposable gloves

• Do not use metallic tools

• Apply to dry hair using a bottle or brush

• Development time: 20 minutes

• Emulsify gently, rinse thoroughly, and shampoo with Metal Detox or Vitamino Color Spectrum

Toning Application:

• Apply to shampooed, towel-dried hair

• Development time: 5 to 20 minutes, depending on the desired tone

• Rinse thoroughly after processing

Key Ingredient:

• 1% Hyaluronic Acid Complex

This professional formula delivers hydrated, glossy, and beautifully toned hair while maintaining strength and integrity throughout the colouring process.

View Dia Light Technical Guide