L’Oréal Professionnel DIA Light – Semi-Permanent Tone-on-Tone Colour
Brand: L’Oréal Professionnel
Line: DIA Light
Shade: 9,31
Barcode: 3474637004262
Type: Semi-permanent, acidic tone-on-tone
Size: 50 ml
Glossy, luminous reflects with vinyl shine
Acidic tone-on-tone colour that respects the hair’s condition
Coverage & Lift
- Deposits tone only – zero lift.
- No white hair coverage (zero coverage of white hair).
- Ideal for previously sensitised or coloured hair.
Durability
Up to 4 weeks (gradually fades to a natural-looking finish).
Development Time
Up to 20 minutes. Total service time may vary depending on the professional service.
Features & Benefits
- Creates glossy, luminous reflects with a vinyl-like shine.
- Respects the hair fibre for a healthy-looking finish.
- Perfect to refresh colour and top up vibrancy between permanent services.
- Great for adding subtle richness or gloss to natural hair.
- Fast processing – ideal for clients short on time.
- Allows truly personalised, tailor-made colour by your hairdresser.
How to Use (for professionals)
- Prepare in a non-metallic bowl. Mix according to manufacturer guidance for DIA Light services.
- Apply to dry, unwashed hair. Section for even saturation.
- Process for up to 20 minutes depending on desired result.
- Emulsify, then rinse thoroughly until water runs clear.
- Finish with appropriate post-colour care.
Safety & Patch Test
- A hair colourant can cause an allergic reaction.
- We recommend a skin allergy test 48 hours before colouring.
- For professional use only. If you’re not a professional, you use at your own risk and accept all liability for usage and results.
- Results may vary depending on your hair colour and development time.
- Read instructions and safety warnings carefully.
- Developer is not included.
- Instructions and shade names may be supplied in a different language.
What’s included: 1 × DIA Light colour cream (50 ml).
Developer: Not included (sold separately).
Professional use only. Follow the manufacturer’s instructions.





