Ammonia-free very light natural blonde demi-permanent hair colour for gloss shine and uniform colour
The L’Oréal Pro Dia Color Demi-Permanent Hair Colour 9 is an ammonia-free, tone-on-tone colour, designed to work with very light blonde bases for a natural, luminous, and balanced result. Shade 9 is a very light natural blonde, ideal for maintaining colour clarity while enhancing the hair's shine and uniformity.
When applied to dry hair, the creamy texture uniformly coats the hair fibre, allowing for precise and controlled distribution. The colour develops progressively, creating a very light blonde with a visible gloss effect. The hair appears visually lighter, with immediate shine and a well-groomed finish from root to tip.
The lost melanin replenishment technology works inside the hair fibre, replicating the hair's natural colour and filling in chromatic irregularities. The result is continuous colour, true to the base shade, without artificial contrast. Suitable for revitalising dull hair, evening out lengths, or softening the appearance of white hair.
Lasting up to 6 weeks, the colour remains stable and luminous. Coverage can reach up to 70% of white hair, ensuring a natural and integrated result. The ammonia-free formula ensures greater comfort during the service and respects the hair fibre.
With up to 92% naturally derived ingredients, this colour offers professional performance with a gentler approach. Suitable for colour maintenance, first-time colouring, or boosting shine on natural hair.
Key Features
- L’Oréal Professionnel Demi-Permanent Hair Colour
- Shade 9 very light natural blonde
- Ammonia-free formula
- Up to 70% white hair coverage
- Lasts up to 6 weeks
- Up to 3 times more shine
- Lost melanin replenishment technology
- Natural reflects and uniform result
- Lightens up to 1 shade and darkens up to 4 shades
- Up to 92% naturally derived ingredients
- Creamy texture for easy application
- Professional 60ml size
Frequently Asked Questions
Is L’Oréal Pro Dia Color Demi-Permanent Hair Colour 9 a natural shade?
Yes. Shade 9 is a very light natural blonde, without dominant reflects.
Does this shade significantly alter hair colour?
No. As a tone-on-tone colour, it maintains the natural base, improving shine and uniformity.
Does L’Oréal Pro Dia Color 9 cover white hair?
Yes. It can cover up to 70% of white hair, ensuring a natural and homogeneous result.
Shade samples are merely indicative, as they may vary depending on the computer screen used for viewing. Therefore, Pluricosmética declines any responsibility for eventual colour variations that may occur.
You can use any Diactivateur developer with Dia colour (mixing ratio: 1 + 1.5). For best results, we recommend: Diactivateur 6 vol. for a subtle colour deposit; Diactivateur 9 vol. for a medium colour deposit; Diactivateur 15 vol. for an intense colour deposit.
Wear suitable disposable gloves. Do not use metal tools (bowl, comb...). Only use the recommended Diactivateur.
In a bowl, applicator bottle, or shaker, mix 60 ml (1 tube) of Dia Color cream and add 90 ml of the chosen Diactivateur developer. Apply to dry hair.
First application: The 20-minute development time begins at the end of the application.
Root touch-up: Apply to the root area, start the 20-minute development time, then immediately distribute through the rest of the hair to revitalise the colour with a deeper and/or darker result.
Distribute through the rest of the hair after 10 minutes, if lengths and ends are moderately faded.
Emulsify during the last 5 minutes, if the colour is slightly faded.
At the end of the development time, carefully emulsify for a few minutes. Rinse hair thoroughly until the water runs clear. Wash with Metal Detox shampoo.
Latest update: 2026-06-17 11:14:10
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