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Small brown tube with violet text, 60g hair color

L'Oreal

L'Oreal Inoa 4.20/4VVV Intense Brown Violet Hair Color 60g

SKU CH-Z6QH-XKNWT

Ammonia-free permanent colour covers 100% of white hair and lightens up to three levels in 35 minutes

  • TypeHair Color
  • For Treatment OfNormal Hair
  • ColorMulti-Color
  • GenderAdult
  • AgeAdult
  • EcologicalHomeopathic
  • Ammonia-free formula protects scalp comfort during colouring
  • ODS2 technology delivers six weeks of hydration and nutrition
  • Lightens up to three levels in 35 minutes
  • Covers up to 100% of white hair in one application
  • Simple one-to-one mixing ratio for consistent results

Intense Brown Violet Permanent Colour

L'Oréal Professionnel Inoa 4.20/4VVV is an ammonia-free permanent hair colour formulated for normal adult hair. It delivers an extra burgundy brown shade with up to 100% white hair coverage. The 60g tube mixes at a 1 to 1 ratio for professional application.

ODS2 Technology Benefits

The ODS2 technology provides up to 35 minutes of processing time to lighten hair up to 3 levels. It leaves hair feeling intensely nourished and hydrated for 6 weeks after treatment. Users report hair feels softer than before colouring with a sublime shine finish.

Professional Use Only

This product requires professional expertise for safe and accurate results. The seller accepts no liability for adverse outcomes from use. Verify you have the correct developer and mixing tools before ordering. A strand test is recommended prior to full application.

Highlights

  • Ammonia-free formula protects scalp comfort during colouring
  • ODS2 technology delivers six weeks of hydration and nutrition
  • Lightens up to three levels in 35 minutes
  • Covers up to 100% of white hair in one application
  • Simple one-to-one mixing ratio for consistent results

Specifications

BrandDial
TypeHair Color
For Treatment OfNormal Hair
ColorMulti-Color
GenderAdult
AgeAdult
EcologicalHomeopathic

Questions about this item

How often will I need to reapply the 4.20/4VVV shade to maintain coverage?

The colour delivers up to 100 % white-hair coverage and is designed to keep hair hydrated for six weeks until the next colour treatment.

What processing time limits how quickly I can finish a full application?

Maximum lightening of up to three levels is achieved in 35 minutes, so that is the key time constraint during use.

Does the ammonia-free formula reduce fumes or scalp heat during the 35-minute development?

Yes, ODS2 technology removes ammonia for uncompromised comfort, leaving hair softer and intensely nourished throughout the process.

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