L'Oréal Dia Light 8.43 Light Blonde Copper Gold Tone-On-Tone Colour 60ml

L'Oréal Professionnel Dia Light 8.43 Light Blonde Copper Gold is an ammonia-free demi-permanent hair colour designed to create a light blonde with warm copper and golden reflections.

Its level 8 base combines copper warmth with golden luminosity for a vibrant, dimensional result. It is ideal for refreshing copper-gold blonde lengths and enhancing the richness of warm colour-treated hair.

Key Benefits

• Combines copper and golden reflections

• Creates a warm light blonde

• Enhances colour vibrancy and shine

• Refreshes faded warm blonde lengths

• Ammonia-free, acidic demi-permanent formulation

Result

A luminous light blonde with balanced copper-gold reflections and a glossy finish.

Key Benefits

• Creates a glossy, radiant finish with enhanced colour vibrancy
• Helps neutralise unwanted undertones after lightening services
• Refreshes faded mid-lengths and ends between colour appointments
• Enriched with a 1% Hyaluronic Acid Complex to replenish moisture and help combat dryness
• Acidic pH technology helps smooth the hair cuticle for a sleek, polished appearance
• Helps maintain hair fibre integrity during professional colour services
• Helps strengthen bleached hair, with up to 3x less breakage*
• Delivers up to 82% glossier colour*
• Ammonia-free demi-permanent colour formulation
• Versatile shade range for custom toning, glossing and colour refreshing services
• Ideal for refining blonde tones and enhancing previously coloured or sensitised hair

*Instrumental test. Up to 3x less breakage refers to testing on bleached hair.

Directions for Use

Wear suitable disposable gloves and mix Dia Light with L’Oréal Professionnel Diactivateur Developer at a 1:1.5 ratio (60ml colour cream with 90ml developer). Apply using a brush or applicator bottle to dry, unwashed hair. For toning, apply to shampooed, towel-dried hair. Leave to develop for 5–20 minutes for toning, depending on the desired result, or up to 20 minutes for standard application. Gently emulsify, rinse thoroughly and shampoo with Metal Detox or Vitamino Color Spectrum. Do not use metallic tools.