Colour 6.11 by Yellow
Permanent colour with 70 different shades, including a vibrant 6.11 tone. Formulated with natural ingredients to support cosmetic performance and hair health. Contains argan oil and aloetrix for smoothing and protective benefits. The formula uses a low alkaline agent content to gently lift up to 5 levels, preserving the hair’s natural balance. Results are true to tone, bright, even, and long-lasting. Ideal for covering grey while maintaining hair integrity.
Key Features
- 70 shade options available
- Low alkaline agent for gentle lifting (up to 5 levels)
- Contains argan oil and aloetrix for conditioning and protection
- True-to-tone, vibrant results
- Animal-free formulation
| Feature | Detail |
|---|---|
| Shade | 6.11 |
| Lift Level | Up to 5 levels |
| Key Ingredients | Argan oil, aloetrix |
| Colour Type | Permanent |
| Animal Testing | Not tested on animals |
FAQ
Can this colour be used on coloured hair?
Yes, Colour 6.11 can be applied to previously coloured hair. The low alkaline formula helps preserve the existing colour while providing a natural, bright tone.
Does it cover grey effectively?
Yes, it offers perfect grey coverage with a natural, even result that blends seamlessly into the hair.
Is the colour safe for damaged hair?
The low alkaline content and protective ingredients like argan oil and aloetrix make it suitable for sensitive or damaged hair, offering gentle care during colouring.

Emma Skinner –
I’ve used this shade on my grey hair and it covers perfectly. The colour is bright but natural, and my hair feels softer after use. No dryness or damage, which is a big plus.
Dorothy Payne –
The result is true to the shade and lasts longer than expected. My hair stayed vibrant for over two months without fading. The formula feels gentle and doesn’t make my hair feel brittle.
Richard Vaughan –
Great coverage for grey, especially on the roots. The colour is even and doesn’t look patchy. I noticed my hair felt smoother after application, thanks to the argan oil.
Jacob Wright –
I was worried about damaging my hair, but this product is very kind. It lifted my hair slightly without breaking the strands. The finish is bright and natural, just as I wanted.
Christopher Ellison –
The shade 6.11 is exactly what I was looking for. It’s not too dark or too light. The colour lasts well and my hair feels healthier after each use.