Colour 9.31 by Yellow
Permanent color with 70 different shades, formulated with natural ingredients to enhance cosmetic effects on hair. This shade respects the hair fiber using a low concentration of alkaline agent, minimizing damage while delivering vibrant, true-to-tone results. Contains argan oil and aloetrix, providing smoothing and protective benefits for healthier-looking hair.
Designed to gently lift up to 5 levels, it offers excellent coverage for grey hair and delivers exceptionally long-lasting color. The formula ensures a natural, bright, and even finish with outstanding durability.
| Key Features | Details |
|---|---|
| Shade Range | 70 different shades |
| Lift Level | Up to 5 levels |
| Key Ingredients | Argan oil, aloetrix |
| Alkaline Content | Low alkaline agent |
| Animal Testing | Not tested on animals |
FAQ
Can this color be used on previously colored hair?
Yes, Colour 9.31 can be applied to previously colored hair, but it is recommended to perform a patch test and consult with a professional for best results.
Does this product cover grey hair effectively?
Yes, it provides perfect grey coverage with a natural, bright, and even finish.
Is the color fade-resistant over time?
The color is exceptionally long-lasting and maintains its vibrancy with minimal fading over time.

Jessica Hunter –
I’ve used this shade on my grey hair and it covers perfectly. The color is bright but natural, and my hair feels smoother after each application. No dryness or damage, which is a big plus.
Dorothy Ball –
The result is vibrant and true to tone. I love how it lifts gently without making my hair feel brittle. The argan oil really helps with shine and softness.
Adam Powell –
Great coverage for grey hair. The color stays bright for weeks. A bit more expensive, but worth it for the quality and hair protection.
Austin Dowd –
My hair feels healthier after using this color. It’s gentle on the strands and doesn’t cause frizz or dryness. The even tone is very satisfying.
Jason Hughes –
I tried it on a mix of dark and light hair. The color blends well and gives a natural look. Slight lift is visible, but not overpowering.