L'Oréal Professionnel Dia Light Demi Permanent Hair Colour 60ml is a professional acidic gloss colour designed to tone, refresh and enhance hair with exceptional shine and care. Developed exclusively for salon professionals and freelance colourists, this ammonia-free formula delivers precise tonal results while respecting the integrity of sensitised or pre-lightened hair.

Powered by advanced acidic gloss technology and enriched with a 1% Hyaluronic Acid Complex, Dia Light provides deep hydration throughout the colouring process. The innovative formula helps smooth the hair fibre surface, improving cuticle alignment and maximising light reflection. The result is luminous, glossy colour with a visibly healthier-looking finish.

Ideal for post-lightening toning, colour refreshing and gloss services, Dia Light offers a wide shade portfolio ranging from natural blondes and brunettes to cool ash tones, warm reflects and creative fashion shades. Its versatile demi-permanent system allows colourists to customise tonal intensity, neutralise unwanted undertones and revive faded mid-lengths and ends with precision.

• Instant Hydration Boost: Replenishes lost moisture and combats dryness from the first application
• Stronger, More Resilient Hair: Helps reduce breakage by up to 3x after bleaching services
• Cortex Respect Technology: Maintains hair fibre integrity while delivering vibrant gloss colour
• High-Gloss Finish: Provides up to 82% more shine for luminous, reflective results
• Service Versatility: Ideal for glossing, toning and refreshing colour services
• Ammonia-Free Formula: Enhances client comfort while delivering professional performance

Expand your salon service menu with versatile colour applications:

• Hyaluronic Glossing: Add a high-shine topcoat for up to 6 weeks of luminous gloss colour
• Hyaluronic Toning: Neutralise unwanted undertones or enhance tone after lightening with maximum shine
• Hyaluronic Refreshing: Revive faded mid-lengths and ends with renewed vibrancy and gloss after root coverage

How To Use:

• Wear suitable disposable gloves
• Mix 60ml (1 tube) with 90ml of Diactivateur 6 vol. (1.8%) or 9 vol. (2.7%) using a 1:1.5 ratio
• Use exclusively with recommended Diactivateurs and follow the proportions indicated on the packaging
• When using a shaker bottle, openit immediately after mixing to avoid overflow
• Apply to dry hair using a bottle or brush. Development time: 20 minutes
• For toning, apply to shampooed, towel-dried hair. Develop for 5–20 minutes, depending on desired result
• Emulsify gently, rinse thoroughly and shampoo with Metal Detox or Vitamino Color Spectrum

L'Oréal Professionnel Dia Light Demi Permanent Hair Colour 60ml forms the foundation of high-performance gloss services within the salon. By combining advanced acidic technology with hyaluronic care, it delivers professional shine, fibre respect and precise tonal refinement across an extensive shade spectrum. Designed for versatility, performance and visible hair health, Dia Light supports modern colourists in creating beautifully luminous results with every service.