There's something undeniably captivating about a perfectly executed ash blonde. Not too warm, not too cold — just an effortlessly cool, luminous tone that catches the light in all the right ways. If that's the look you've been chasing, the Rusk Deepshine 8.11AA Intense Light Ash Blonde is the professional-grade permanent hair colour that can get you there.
In this complete guide, we'll cover everything you need to know about this shade — from what the shade code actually means, to who it works best for, how to apply it correctly, and how to keep your cool blonde looking its absolute best between colour appointments.
Understanding the Shade: What Does 8.11AA Mean?
Hair colour codes can feel like a foreign language, but once you crack the formula, choosing the right shade becomes much easier. Let's decode 8.11AA:
- 8 — This is the base level, referring to Light Blonde on the standard hair colour depth scale (which runs from 1, Black, to 10, Lightest Blonde). Level 8 is a natural light blonde — bright enough to let the tone really shine through, while still retaining some depth and dimension.
- .11 — The double "1" after the decimal indicates a strong ash tone. In professional colour coding, 1 = Ash. A single 1 gives a subtle ash finish; a double 11 means the ash tone is intensified, delivering a more pronounced, cooler result that actively neutralises warm, yellow, and brassy undertones.
- AA — This reinforces the double ash concentration. The AA designation in the Rusk Deepshine system flags this as one of their most powerful cool-tone correcting shades — designed specifically for clients who want to eliminate warmth and achieve a genuinely cool, silvery-blonde finish.
Put it all together: the 8.11AA is a Light Blonde with intense ash toning — ideal for neutralising brassiness, cooling down pre-existing warmth, or simply achieving a clean, modern blonde that's free from orange or yellow tones.
The Rusk Deepshine Difference: Why This Formula Stands Out
Not all permanent hair colours are created equal, and the Rusk Deepshine range has built a loyal following among professional colourists and at-home users alike. Here's what sets the formula apart:
Micro Pure Pigment Technology
At the heart of the Deepshine system is Rusk's proprietary Micro Pure Pigment Technology. This advanced approach uses ultra-fine pigment molecules that penetrate deeper and more evenly into the hair cortex compared to conventional hair colour formulas. The result is colour that's more vibrant, more consistent from root to tip, and significantly more fade-resistant. For a shade like the 8.11AA — where tonal precision is everything — this technology ensures the cool, ashy finish is truly locked in, not just sitting on the surface of the hair.
Argan Oil & Olive Oil Enrichment
One of the most common concerns with permanent hair colour is the damage it can cause to the hair's structure. Rusk Deepshine addresses this head-on by infusing the formula with pure Argan Oil and Olive Oil — two of the most celebrated nourishing oils in haircare.
- Argan Oil, often called 'liquid gold', is rich in Vitamin E, antioxidants, and essential fatty acids. It helps smooth the cuticle, add shine, and protect the hair from environmental stressors during and after the colouring process.
- Olive Oil is deeply conditioning, helping to soften the hair and maintain moisture balance, which is particularly important when using a permanent colour that opens the cuticle to deposit pigment.
The combination means your hair doesn't just look better after colouring — it genuinely feels better, too. Softer, silkier, and healthier-looking rather than stripped or brittle.
100% Grey Coverage
The Rusk Deepshine 8.11AA delivers full, seamless grey coverage. Whether you have a scattering of silver strands or a more significant percentage of grey, this shade blends them all into a cohesive, beautiful light ash blonde result. The grey hairs actually tend to absorb cool ash tones particularly well, which means the finished colour often looks more vibrant and dimensional on blended hair than on a completely natural base.
Long-Lasting, Fade-Resistant Colour
Thanks to Micro Pure Pigment Technology and the conditioning oils that help seal the cuticle post-colour, Deepshine shades are engineered for long-lasting wear. Colour stays true and vibrant for longer, meaning fewer touch-ups and less colour-related stress on the hair over time.
Who Is the 8.11AA Best Suited For?
The Rusk Deepshine 8.11AA Intense Light Ash Blonde works beautifully for a range of clients and use cases. Here's a breakdown of who will benefit most:
Those with Existing Light to Medium Blonde Hair
If your natural or current colour sits at a Level 7 (Dark Blonde) to Level 9 (Very Light Blonde), the 8.11AA is an excellent choice for toning and refining your colour. It'll eliminate any golden or brassy tones that develop over time and replace them with a sophisticated, cool finish.
Clients Who've Recently Lightened or Bleached
After a bleaching or lightening session, hair often lifts to a pale yellow or golden tone — warm and unwanted for most ash blonde looks. Applying the 8.11AA over a freshly lightened Level 8–9 base is one of the most effective ways to neutralise that warmth and achieve a true ash or even near-platinum result, depending on the starting point.
Grey Hair Wearers Wanting a Cool, Fashionable Result
Rather than simply covering grey, the 8.11AA transforms it. Grey and white hairs take colour differently — they're often more porous and absorb tones quickly. The ash pigments in this shade use that to your advantage, producing an especially clean, cool, and fashion-forward result on blended grey hair.
Anyone Battling Brassiness
Brassiness is one of the most common frustrations in blonde haircare, caused by warm underlying pigments being exposed through fading or lifting. The intense double-ash formula of the 8.11AA is specifically designed to combat this — neutralising orange and yellow tones at the source for a cleaner, cooler result that lasts.
Choosing the Right Developer
The Rusk Deepshine 8.11AA is available with a choice of developer volumes, and selecting the right one is key to achieving your desired outcome:
- 10 Volume (3%) — Ideal for toning, blending grey, or depositing colour with minimal lift. Best used when the hair is already at or close to the target level and you simply want to add the cool ash tone without changing depth significantly.
- 20 Volume (6%) — The most commonly used developer for permanent colour. Provides 1–2 levels of lift while depositing colour. A great all-round choice for most clients targeting the 8.11AA result.
- 30 Volume (9%) — Provides up to 3 levels of lift and is useful when starting from a slightly darker base (Level 5–6) and aiming to reach the Level 8 target in a single application. Use with care on fine or previously processed hair.
- 40 Volume (12%) — Maximum lift. Reserved for professional use on stubborn, resistant natural hair when significant lightening is needed alongside colour deposition. Not recommended for fragile, previously chemically treated hair.
Always carry out a strand test before full application, especially if the hair has been previously coloured, bleached, or chemically treated.
Step-by-Step Application Guide
For best results with the Rusk Deepshine 8.11AA, follow this professional-recommended application process:
- Perform a skin allergy test — At least 48 hours before colouring, apply a small amount of mixed colour behind the ear or in the crook of the elbow. Do not proceed if any irritation occurs.
- Perform a strand test — Test on a small section of hair to confirm the development time and final result before full application.
- Prepare the mixture — Mix Rusk Deepshine 8.11AA with your chosen developer in a 1:1.5 ratio (colour to developer) in a non-metallic bowl.
- Section the hair — Divide the hair into four sections for even, controlled application.
- Apply to roots first — If doing a root touch-up, apply to the regrowth area first. For a full colour, begin at the roots and work through to the ends.
- Develop — Leave to process for 35 minutes at room temperature. Do not exceed 45 minutes.
- Rinse thoroughly — Rinse with warm water until the water runs clear.
- Condition — Apply a colour-protecting conditioner or treatment mask. Rusk's own colour care range pairs perfectly with Deepshine for maximum results.
Maintaining Your Ash Blonde: Expert Tips
Ash blonde is a high-impact shade, and keeping it looking fresh requires a little extra care. Here are our top tips for maintaining the 8.11AA result between colour appointments:
- Use a purple or blue shampoo once or twice a week to neutralise any emerging warmth and keep the cool tone intact.
- Wash hair in cool or lukewarm water — hot water opens the cuticle and accelerates colour fade.
- Invest in a colour-protecting conditioner every wash to seal the cuticle and maintain shine.
- Apply a deep conditioning mask weekly to replenish moisture, especially if hair is bleached or frequently heat-styled.
- Use heat protection spray every time you use a hairdryer, straightener, or curling iron to prevent colour fade and damage.
- Avoid prolonged sun exposure without UV-protecting hair products — the sun is one of the biggest culprits of colour fading and tone shift in ash blondes.
- Book a colour refresh every 6–8 weeks to maintain roots and revitalise the tone.
Pricing & What's Included
The Rusk Deepshine 8.11AA Intense Light Ash Blonde is available from £19.99 for the hair colour alone, or as a bundle with your choice of developer:
- 1 Hair Colour only — £19.99
- 1 Hair Colour + 10 Volume Developer 33oz — £37.99
- 1 Hair Colour + 20 Volume Developer 33oz — £37.99
- 1 Hair Colour + 30 Volume Developer 33oz — £37.99
- 1 Hair Colour + 40 Volume Developer 33oz — £37.99
The colour and developer bundles represent excellent value, giving you everything you need for a complete application in a single purchase — no guesswork, no separate orders.
Final Verdict: Is the Rusk Deepshine 8.11AA Worth It?
In a word: absolutely. The Rusk Deepshine 8.11AA Intense Light Ash Blonde is one of the most precisely engineered cool blonde shades on the professional market. The double-ash concentration means it genuinely delivers on its promise of a cool, brass-free result — not just a slight cooling effect, but a real, fashion-forward ash blonde tone that turns heads.
Combined with the nourishing benefits of Argan and Olive Oil, Micro Pure Pigment Technology for even coverage and longevity, and the flexibility of multiple developer options, this is a colour that performs as beautifully as it looks. Whether you're a professional colourist stocking your kit or a confident home user wanting salon-quality results, the 8.11AA delivers.
Say goodbye to brassiness, hello to luminous cool blonde — and don't look back.
Shop Rusk Deepshine 8.11AA Intense Light Ash Blonde — from £19.99
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