- Montibello Éclat Acidic pH Demi-Permanent Hair Colour 6.66, 60ml
- Professional acidic pH demi-permanent colour
- Shade 6.66 (dark blonde vivid red)
- 100% vegan formulation
Montibello Éclat Acidic pH Demi-Permanent Hair Colour 6.66 60ml is a professional acidic pH demi-permanent colour in shade 6.66 — real substantial expansion of Montibello Éclat range coverage on Revive across the dark blonde level 6 category, building on the existing natural-tone-only 6.3 dark blonde warm gold variant previously introduced. Real distinct positioning within the Éclat range: this 6.66 features dark blonde base (6) with vivid red double-digit tonal direction (.66) — real introduction of fashion-toned dark blonde shade, distinct from the sophisticated multi-tonal 6.88 dark blonde sophisticated pearl variant also newly expanded across level 6. Real practical framing on shade 6.66 positioning: dark blonde base with vivid red tone gives warm brunette-meets-red outcome with high-impact berry-toned intensity — meaningful for clients wanting dark blonde warmth with definite vibrant red overlay vs subtler or cooler alternatives, or as dark blonde vivid red toner for pre-lightened level 6 depth wanting statement berry-toned vibrancy. Real practical framing on vivid red double-digit tonal direction: vivid red tone (.66) gives maximum berry-toned intensity, distinct from vivid bright orange (.44), vivid bright violet (.78) and maximum vivid violet (.7) alternatives available at lighter levels — appropriate for clients wanting bold brunette-meets-red canvas with head-turning berry-toned vibrancy vs gentler warm or cool alternatives. Vivid red offering expands Éclat's level 6 dark blonde palette beyond the warm gold natural tone 6.3 shade, giving statement fashion-toned dark blonde option alongside sophisticated multi-tonal 6.88 pearl variant. Real technical consistency with the wider Éclat range: same acidic pH 6.9, Tech Bonder Technology with plant proteins, Vitamin C enrichment, AMP biodegradable ammonia-free formulation, 30-shade intermixable range membership, 15-25 wash fade, 100% vegan positioning.
Key features
- Professional demi-permanent hair colour, 60ml
- Montibello Éclat branded
- Shade 6.66 (dark blonde vivid red)
- Acidic pH 6.9
- Does not lift natural melanin
- Tech Bonder Technology
- Plant protein enrichment
- Vitamin C enrichment
- AMP biodegradable alkalising agent
- Ammonia-free and MEA-free
- Vivid red double-digit tonal direction
- Part of 30-shade intermixable range
- Fades in 15-25 washes
- Commitment-free (no regrowth line)
- 100% vegan formulation
- Suitable for natural, coloured, or lightened hair
- Dark blonde level 6 Éclat category expansion
- For professional colour service use
- Part of the Montibello Éclat professional colour range
How to use
Real critical framing: professional colour services require appropriate training in colour service technique and understanding of contraindications — do not attempt without professional qualification. Real critical practical framing: complete 48-hour patch test before every colour service. For colour service work with Éclat 6.66: prepare the client with appropriate consultation, patch test verification, and appropriate service planning. Mix Éclat 6.66 with the appropriate Montibello Éclat activator/developer per manufacturer specification. Apply per your colour service technique. Allow appropriate processing time per manufacturer instructions. Rinse thoroughly. Real practical framing on 6.66 shade use scenarios: works well as dark blonde vivid red direct application (for clients with dark blonde natural base wanting warm brunette-meets-red outcome with high-impact berry-toned intensity), as dark blonde vivid red toner for pre-lightened level 6 bases (for statement berry-toned vibrancy at dark blonde depth), or for clients whose personal style benefits from the bold brunette-meets-red aesthetic with head-turning berry-toned vibrancy vs subtler or cooler alternatives. Real practical framing on vivid red double-digit tonal direction: vivid red tone gives maximum berry-toned intensity, distinct from vivid bright orange, vivid bright violet and maximum vivid violet alternatives available at lighter levels — appropriate for clients wanting bold brunette-meets-red canvas with head-turning berry-toned vibrancy vs gentler warm or cool alternatives. Vivid red effect ideal for statement berry-toned dark blonde looks. Real practical framing on base level 6 dark blonde positioning: dark blonde base suits clients with natural dark blonde colouring OR pre-lightened hair at dark blonde level (typically level 6 pre-lighten target) — for clients with darker natural bases wanting 6-level colour, appropriate pre-lightening service required before Éclat 6.66 application.
Who it's for
This colour is for professional colourists offering demi-permanent colour service to clients with dark blonde natural or pre-lightened bases wanting warm brunette-meets-red outcome with high-impact berry-toned intensity — particularly clients wanting dark blonde warmth with definite vibrant red overlay vs subtler or cooler alternatives, clients with pre-lightened dark blonde hair wanting level-matched dark blonde vivid red toner for statement berry-toned vibrancy, or salons doing regular dark blonde fashion colour service work wanting to offer bold vivid red shade alongside sophisticated multi-tonal option. We've spent years helping clients in Codsall look and feel their best, and as a working hair salon, we know appropriate vivid red double-digit tonal direction at the dark blonde level gives real distinct benefit for clients wanting head-turning brunette-meets-red aesthetic with maximum berry-toned intensity — particularly effective for clients with warm-leaning personal style wanting bold red-infused dark blonde vs subtle or ashy alternatives. Real progressive Éclat range expansion within the Montibello brand on Revive: 3 (dark brown), 5 (light brown), 5.60 (light brown intense red violet — vivid cool), 5.77 (light brown cool violet), 6.3 (dark blonde warm gold), 6.66 (this product — dark blonde vivid red), 6.88 (dark blonde sophisticated pearl), 7 (mid blonde), 7.11 (mid blonde ash intense — intense cool), 7.21 (mid blonde ash iridescent — multi-tonal cool), 7.23 (mid blonde ash gold — cool-balanced), 7.31 (mid blonde gold ash — warm-balanced), 7.44 (mid blonde intense copper — vivid warm), 7.60 (mid blonde intense red violet — vivid cool), 7.62 (mid blonde intense red iridescent — vivid bright cool), 7.78 (mid blonde intense violet — maximum vivid cool), 8.12 (light blonde ash iridescent — multi-tonal cool), 8.13 (light blonde ash gold — multi-tonal balanced), 8.16 (light blonde ash red — multi-tonal cool red), 8.2 (light blonde violet — single-tone cool), 8.3 (light blonde gold — single-tone soft warm), 8.4 (light blonde copper — single-tone bright warm), 8.58 (light blonde mahogany pearl — multi-tonal sophisticated warm), 9 (very light blonde), 9.21 (very light blonde ash iridescent — lightest multi-tonal cool), 9.22 (very light blonde iridescent intense — lightest vivid iridescent cool), 9.23 (very light blonde ash gold — lightest multi-tonal cool-balanced), 9.31 (very light blonde gold ash — lightest multi-tonal warm-balanced), 9.45 (very light blonde intense copper — lightest vivid bright warm), 9.60 (very light blonde intense red violet — lightest vivid cool), 10.02 (ultra light blonde natural violet — lightest natural violet-toned cool), 10.1 (ultra light blonde ash — lightest single-tone cool), 10.13 (ultra light blonde ash gold — lightest multi-tonal cool-balanced), 10.16 (ultra light blonde ash red — lightest multi-tonal cool red), 10.52 (ultra light blonde mahogany iridescent — lightest multi-tonal sophisticated warm), completing the full Éclat 30-shade intermixable range — real comprehensive progressive customer choice spanning 3 through 10 base levels and diverse natural, vivid (now including intense options across light brown, dark blonde, mid blonde, and very light blonde depths across the complete warm-cool spectrum), balanced, multi-tonal (including ash-iridescent, mahogany, and sophisticated pearl variants), single-tone (including bold level 7 options), intense cool, vivid bright cool, vivid iridescent cool, vivid cool, sophisticated, and level 3-10 options across the complete tonal landscape.
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Critical safety information for professional colour services: For professional use only — colour services require specific professional training, qualification, and understanding of chemistry, contraindications, and appropriate service protocols. Critical patch testing requirement: complete 48-hour allergy patch test before every colour service. Do not perform colour service on clients with previous allergic reaction to colour chemistry, active scalp conditions, recent scalp trauma, or other contraindications. Critical practical framing on ammonia-free positioning: Éclat AMP substitute doesn't eliminate allergen risk — patch testing remains essential. Real critical practical framing on colour chemistry general safety: appropriate protective equipment, appropriate ventilation, appropriate skin contact avoidance, and appropriate eye protection all matter for colour service safety. Real practical framing on 6.66 vivid red tonal positioning: vivid red double-digit tone gives warm brunette-meets-red outcome with high-impact berry-toned intensity — meaningful for clients wanting bold red-infused dark blonde canvas with head-turning berry vibrancy vs subtler or cooler alternatives. Real practical framing on vivid red colour staining risk: vivid red double-digit pigments have very high hair and skin staining potential — appropriate protective skin barrier products, colour-proof gowning, and tint stain remover use are particularly critical for vivid red service scenarios. Real practical framing on base level 6 dark blonde positioning: dark blonde base suits clients with natural dark blonde colouring OR pre-lightened hair at dark blonde level — for clients with darker natural bases wanting 6-level colour, appropriate pre-lightening service required. Real critical practical framing on porosity profile for vivid red deposit: natural level 6 dark blonde typically has balanced porosity profile receptive to vivid red pigment uptake and retention, pre-lightened level 6 bases can have higher porosity needing adjusted vivid red application and processing — comprehensive hair condition assessment during client consultation matters for optimal vivid red outcomes on varied dark blonde starting points. Real practical framing on 6.66 vs 6.3/6.88/5.60 shade distinction: 6.66 (this product) gives dark blonde vivid red tone for warm brunette-meets-red outcome with high-impact berry intensity vs 6.3 (dark blonde warm gold) as warm natural-tone variant, 6.88 (dark blonde sophisticated pearl) as multi-tonal pearl option, and 5.60 (light brown intense red violet) as vivid red violet option one level darker — comprehensive client consultation about specific tonal preference (vivid red vs warm natural, multi-tonal pearl, or level 5 vivid red violet alternatives) and personal style suitability for statement berry effect supports appropriate dark blonde shade selection between 6.66, 6.3, 6.88, and 5.60. Real practical framing on dark blonde vivid red fashion colour service positioning: for salons wanting to communicate dark blonde vivid red fashion colour service capability with warm brunette-meets-red outcome and high-impact berry-toned intensity vs subtler or cooler alternatives, shades like 6.66 with clear vivid red double-digit direction support this positioning — meaningful for client demographic wanting bold red-infused dark blonde aesthetic with head-turning berry vibrancy. Real practical framing on vivid red fashion toner service positioning: vivid red fashion toner service for pre-lightened dark blondes wanting statement berry-toned vibrancy at level 6 is specific Éclat service scenario — appropriate vivid red fashion toner option at dark blonde level (6.66) supports bold brunette-meets-red toner service capability with maximum berry intensity. Real practical framing on vivid red fashion fade cycle: vivid red fashion tones typically fade faster than natural red tones, transitioning through gradually-muting berry-toned stages — appropriate client expectation management about vivid red commitment level and maintenance service frequency to retain vibrancy supports satisfaction. Real practical framing on fashion toner service pricing: vivid red fashion toner service typically commands premium pricing as bold berry-toned intensity upgrade vs included with pre-lightening — statement pigment load, stronger stain risk management, and artistic tonal placement typically inform standalone rather than bundled pricing approach for maximum dark blonde fashion impact. Store the tube per manufacturer instructions with cap tightly closed. Do not use past expiry date. Keep out of reach of children. Real practical framing on comprehensive Éclat range progressive coverage: with 3, 5, 5.60, 5.77, 6.3, 6.66 (this product), 6.88, 7, 7.11, 7.21, 7.23, 7.31, 7.44, 7.60, 7.62, 7.78, 8.12, 8.13, 8.16, 8.2, 8.3, 8.4, 8.58, 9, 9.21, 9.22, 9.23, 9.31, 9.45, 9.60, 10.02, 10.1, 10.13, 10.16, and 10.52 now fully covered on Revive, the complete 30-shade Éclat range shows comprehensive tone coverage across natural dark brown through ultra light blonde plus vivid fashion tones (warm and cool, now including intense options across light brown, dark blonde, mid blonde, and very light blonde depths across the complete warm-cool spectrum), balanced tones, multi-tonal options (including ash-iridescent, mahogany, and sophisticated pearl variants), single-tone options (cool, soft warm, bright warm, including bold and vivid bright level 7 variants), intense cool, vivid bright cool, vivid iridescent cool, vivid cool, sophisticated, and level 3-10 options across the complete tonal landscape. Real practical framing on Éclat level 6 dark blonde vivid red tone coverage: with 6.66 (this product — vivid red) now covered alongside 6.3 (warm
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- Returns accepted for 30 days
- Free return shipping
- No restocking fee
- No final sale items
