Permanent Dye L'Oreal Professionnel Paris Dia Lights Acide Nº 9,01 Ammonia-free (50 ml)

L’Oréal Professionnel Dia Lights Acide Nº 9.01 is an ammonia-free demi-permanent hair colour designed to give natural, luminous blonde results with cool ash undertones. Its acidic gel-cream technology gently balances the hair fiber and closes the cuticles, enhancing shine and smoothness without lifting the natural hair level. Perfect for refreshing faded colour, toning pre-lightened hair, or adding subtle cool blonde tones, Dia Lights Acide 9.01 provides true-to-tone colour while protecting the hair’s health and softness. Ideal for all hair types, it delivers a salon-quality glossy finish and maintains vibrant, healthy-looking hair between colour services. Regular use enhances colour longevity and adds natural shine and radiance.

Benefits

• Ammonia-free formula for gentle application and minimal scalp irritation
• Tones, refreshes, and adds gloss to pre-lightened or previously coloured hair
• Leaves hair up to 2× shinier and 30% more conditioned
• Gentle acidic formula balances hair and closes cuticles for healthier-looking strands

How to use

1. Wear disposable gloves and use only the recommended Diactivateur (9 vol or 20 vol).
2. Combine 50 ml Dia Lights Acide 9.01 with 75 ml Diactivateur in a bowl, applicator bottle, or shaker.
3. Apply evenly on dry or wet hair. Leave for 5–20 minutes depending on desired result (gloss, toning, quick colour refresh).
4. Gently emulsify, rinse thoroughly, and finish with Metal Dx shampoo & mask.

Details

• Gender: Unisex
• Capacity: 50 ml
  
• Type: Permanent Dye
• Characteristics: Ammonia-free
• Colour: Nº 9,01
  

Ingredients

Aqua / Water, Laureth‑2, Trideceth‑2 Carboxamide Mea, Peg‑4 Rapeseedamide, Glycerin, Laureth‑12, Oleth‑30, Sodium Cetearyl Sulfate, Ci 77891 / Titanium Dioxide, 2,4‑Diaminophenoxyethanol Hcl, M‑Aminophenol, 4‑Amino‑2‑Hydroxytoluene, Sodium Sulfite, Sodium Sulfate, Ethanolamine, Thioglycerin, Polyquaternium‑6, Toluene‑2,5‑Diamine, Cetyl Hydroxyethylcellulose, Edta, Cetearyl Alcohol, Erythorbic Acid, Parfum / Fragrance.

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