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Small brown tube with white cap and silver lettering on dark background

L'Oreal

L'Oreal Inoa 4/4N Brown Ammonia Free Permanent Hair Color 60g

SKU CH-SMXV-ZXVN8

Ammonia-free permanent brown dye covers 100% white hair, lightens three levels in 35 minutes and keeps hair hydrated for six weeks

  • TypeHair Color
  • For Treatment OfNormal Hair
  • ColorMulti-Color
  • GenderAdult
  • AgeAdult
  • EcologicalHomeopathic
  • Ammonia-free formula delivers comfortable colouring without harsh odour
  • ODS2 technology provides up to 6 weeks of intense hydration and nutrition
  • Permanent colour lightens up to 3 levels in just 35 minutes
  • Covers up to 100 % of white hair for complete grey coverage
  • Simple 1:1 mixing ratio makes preparation quick and easy

Permanent ammonia-free brown color 4/4N

This permanent hair color uses ODS2 technology and zero ammonia to deliver a natural brown shade. It covers up to 100% of white hair and lightens up to 3 levels in 35 minutes. The 60 g tube mixes at a 1 to 1 ratio for straightforward preparation.

Professional-use formulation and mixing

The product requires professional expertise for safe and accurate results; incorrect application can lead to adverse outcomes. No developer or accessories are included in the package, so the colourist must supply the appropriate oxidant separately. The formula leaves hair feeling softer and intensely nourished for up to six weeks.

Suited for salon professionals covering white hair

Ideal for qualified colourists who need reliable grey coverage and a gentle, ammonia-free service for clients with normal hair. Not suitable for home users without formal training or for anyone seeking a ready-to-use kit with developer included. Buyers wanting fashion shades or temporary colour should look elsewhere.

Highlights

  • Ammonia-free formula delivers comfortable colouring without harsh odour
  • ODS2 technology provides up to 6 weeks of intense hydration and nutrition
  • Permanent colour lightens up to 3 levels in just 35 minutes
  • Covers up to 100 % of white hair for complete grey coverage
  • Simple 1:1 mixing ratio makes preparation quick and easy

Specifications

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

Questions about this item

How often will I need to reapply this 4/4N shade to maintain full white coverage?

The permanent formula covers up to 100% of white hair and the manufacturer states the colour lasts until the next treatment, typically around six weeks.

What limits how much lift I can get in a single session with this tube?

The colour lightens up to three levels in 35 minutes, so that is the maximum lift achievable per application.

Does the ammonia-free formula mean less heat or fumes during the 35-minute development?

Zero ammonia and ODS2 technology are designed for uncompromised comfort, reducing strong odour and scalp irritation while the colour processes.

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