- 1.0
- 1.10
- 10.0
- 10.1
- 10.12
- 10.5
- 10.72
- 10.81
- 11.0
- 11.00
- 11.02
- 11.1
- 12.1
- 12.12
- 12.21
- 12.89
- 3.0
- 3.77
- 4.0
- 4.00
- 4.1
- 4.3
- 4.35
- 4.75
- 4.77
- 5.0
- 5.00
- 5.20
- 5.3
- 5.35
- 5.4
- 5.5
- 5.62
- 5.71
- 5.75
- 5.77
- 6.0
- 6.00
- 6.03
- 6.1
- 6.12
- 6.13
- 6.26
- 6.3
- 6.35
- 6.4
- 6.46
- 6.5
- 6.66
- 6.71
- 6.75
- 6.77
- 7.0
- 7.00
- 7.1
- 7.11
- 7.3
- 7.31
- 7.35
- 7.44
- 7.62
- 7.71
- 8.0
- 8.00
- 8.03
- 8.1
- 8.12
- 8.13
- 8.3
- 8.35
- 8.4
- 8.66
- 9.0
- 9.1
- 9.11
- 9.12
- 9.13
- 9.21
- 9.22
- 9.3
- 9.44
- Mix Blue
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- Mix Red
- Mix Violet
XP100 Intense Radiance Permanent Colour 4.1 Medium Ash Brown with up to 100% total coverage and cool ash reflection
Professional hair colour designed for permanent colouring services that demand chromatic control, full coverage, and consistent results.
The 4.1 Medium Ash Brown shade is at level 4 of the colour scale. The chromatic result is a medium brown with a dominant ash reflection, providing a cool and neutralised finish, with a clean and uniform colour reading.
This shade ensures up to 100% grey hair coverage, maintaining visual consistency along the hair length. High-quality pigments ensure a uniform, stable, and vibrant colour, with controlled chromatic definition and no interference from warm reflections.
The presence of Rosemary oil supports the shine and luminosity of the hair fibre. The combination of nine essential herbs (Eucalyptus, Mugwort, Mint, Nettle, Fennel, Lavender, Thyme, Rosemary, and Helichrysum) is integrated into the formula to support hair strengthening during the colouring process.
Its low ammonia formula makes the application smoother and more comfortable for both the professional and the client.
Professional 100ml format, integrated into a range with more than 75 shades, allowing for technical consistency in the execution of colouring services.
Recommended for professionals seeking technical control, a cool finish, and full coverage in colouring services.
Key features:
- Up to 100% grey hair coverage
- 4.1 Medium brown with a dominant ash reflection
- High-quality pigments that ensure uniform, stable, and vibrant colour
- Rosemary oil to support shine and luminosity
- Combination of nine essential herbs to support hair strengthening
- Low ammonia content
- 100ml format
- Range with more than 75 shades
Frequently Asked Questions
What characterises the 4.1 Medium Ash Brown shade?
Does this hair colour guarantee grey hair coverage?
What is the role of the active ingredients in the formula?
Mix 50 ml of XP100 Intense Radiance with 50 ml of developer (1:1 ratio). If using two shades, apply 25 ml of each.
Divide the hair into four sections using the cross-sectioning technique and apply to dry hair with a brush, from root to tip.
Leave on for 30 to 40 minutes, depending on hair type and desired result.
Rinse thoroughly until the water runs clear.
Shampoo, condition, and proceed with drying and styling.
Hair colourants can cause severe allergic reactions.
Read and follow the instructions.
Perform a preliminary allergy test 48 hours before applying any hair colour. If no irritation occurs, proceed with the application.
Read the accompanying leaflet carefully.
This product must not be used on persons under the age of 16.
For professional use only.
Wear appropriate gloves. If the product comes into contact with eyes, rinse immediately and thoroughly with water.
Do not use to colour eyelashes or eyebrows.
Latest update: 2026-07-11 00:13:59
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