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Intense brown 4NN
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Intense brown 4NN/4.00
Large format: 3.5 oz, 100 gm
Beautiful rich grey hair coverage - dark brown color
- Vivid color reflects, long lasting shine.
- 4NN gives ultra strong coverage for resistant grey hair.
- Rich dark brown color: no visible white hair.
- Visibly improved hair condition and softness thanks to Argan Oil.
- Ugly Duckling's NN series are specially formulated to minimise scalp irritation.
- Ammonia levels are reduced and lanolin is added to make the color mix more comfortable on the scalp.
- Low ammonia, pleasant floral fragrance.
- Made in Europe.
- Paraben free.
- Extra large 3.5 oz tube.
- For professional use.
How To Use+
For best color results with Ugly Duckling Intense Brown 4NN/4.00, follow instructions below:
- Mix 1:1 with 20 Vol. developer.
- Development time: 30 minutes.
- Add 10 extra minutes of development time in the case of very resistant grey hair.
- Emulsify and wash with a mild shampoo.
Rules for Mixing Intense Brown 4NN with other colors:
- If your customer has 25% grey hair, mix in 25% of Intense Brown 4NN with 75% of the other hair color.
- If your customer has 50% grey hair, mix in 50% of Intense Brown 4NN with 50% of the other hair color.
- If your customer has 75% grey hair, mix in 75% of Intense Brown 4NN with 25% of the other hair color.
- If your customer has 100% grey hair, you will need to use only Intense Brown 4NN .
- Please note the above are indications only, you should vary this rule once you work out what is best for your client's hair.
- Some grey hair is easier to cover than others and you will need to make an assessment as a colorist based on her hair.
Product Reviews+



Excellent product, Really rich beautiful color results