Demi Assalt Arias Line
<p>The DEMI <strong>Assault Arias</strong> line is the brand's Japanese professional hair-colour series, and this collection gathers the shades we carry from it. The current assortment runs through the Deep Natural family, spanning depth levels D-4 to D-9 in WB, CB and BB undertones, so you can match both how dark a colour reads and its warmth.</p><p>DEMI is a Japanese beauty brand, and Assault Arias is its salon-style cream colour built for precise level-and-tone control. This page is the place to browse the line as a whole rather than hunting shade by shade.</p>
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Buying guide
DEMI Assault Arias line: how the colour system works
Assault Arias is DEMI's Japanese professional hair-colour line, organised by depth level and undertone rather than simple named shades. This guide walks through what the line is, how the level numbers and tone codes work together, and how to read a shade so you can browse the range with confidence.
What is in this collection
This collection brings together the Assault Arias shades we carry, which currently sit in the Deep Natural family. The assortment covers depth levels D-4 through D-9, each in WB, CB and BB undertone variants. Every listing is the same Assault Arias colour product; the differences are level and tone.
What the Assault Arias line is
Assault Arias is DEMI's salon-style cream hair colour. Because it is a professional series, it is built around a precise level-and-tone system rather than a handful of named colours. That structure is what lets a colourist, or a careful home user, reproduce a specific depth and warmth reliably across the range.
About DEMI as a brand
DEMI is a Japanese beauty brand, and hair colour is one of its core areas. The Assault Arias line reflects a Japanese professional approach to colour, with a coding system designed for accuracy. If you already work with salon colour or want that level of control at home, the line will feel familiar.
The level system (D-4 to D-9)
The D number is the depth level. Across this collection it runs from D-4 up to D-9. The rule is straightforward: a lower number is a darker, deeper colour and a higher number is lighter. So D-4 is the darkest option here and D-9 the lightest. Settling on a level is the first step because it decides how dark or light the finished result reads.
The tone system (WB, CB, BB)
The letters after the level set the undertone. Assault Arias uses WB, CB and BB codes to describe the warmth or coolness of a shade at a given depth. Two colours at the same level can finish quite differently depending on their tone code, so the second decision, after the level, is which tone fits the look you are after.
Reading a shade name
Once you know the system, a name like Deep Natural D-7 / WB is easy to parse. Deep Natural is the family, D-7 is the depth level, and WB is the undertone. Browsing the line then becomes a matter of scanning for the level and tone combination you want rather than guessing from a colour name alone.
Who this suits
The Assault Arias line suits colourists and home users who want a Japanese professional colour with fine control over depth and warmth. The spread of D-4 to D-9 levels with multiple tone codes gives plenty of room to fine-tune, which is the appeal of working with a structured salon range.
FAQ
Frequently asked questions
FAQ
Frequently asked questions
What is the DEMI Assault Arias hair-colour line?
It is DEMI's Japanese professional salon-style cream colour series, organised by depth level and undertone. The shades we carry currently sit in the Deep Natural family, spanning levels D-4 to D-9.
Why does Assault Arias use level numbers and tone codes instead of colour names?
Because it is a professional line built for accuracy. The level-and-tone coding lets a colourist reproduce a specific depth and warmth reliably, which a handful of named shades could not do as precisely.
What depth levels does this Assault Arias collection cover?
The shades here run from D-4 to D-9. D-4 is the darkest option and D-9 the lightest, with the levels in between stepping gradually from deep to light.
What do the WB, CB and BB codes on Assault Arias shades indicate?
They are the undertone, describing how warm or cool a shade is at its depth level. The same level in two different tone codes will finish differently, so the tone code lets you fine-tune the warmth.
Is the Assault Arias line meant for salons or home use?
It is a salon-style professional colour, so it suits colourists and confident home users who want precise control over depth and tone. The structured coding system is the same whether it is used in a salon or at home.