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Hair Colour

Add brilliance and dimension to your hair with professional hair colour services at One–One Studio—home to the best hair colourists in Toronto. Whether you’re looking for bold, vibrant tones or subtle, natural highlights, our expert colourists will customize the perfect shade to match your style. We use only premium hair colour products, including Goldwell TopChic, Colorance, and Shades EQ by Redken, to ensure long-lasting vibrancy and healthy hair. Discover the transformative power of colour at Toronto’s top boutique hair salon.Ā Ā 
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Colour
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Highlights
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Men's Colour
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Other Colour Services

Colour (Roots)

30 Min
90+

Premium permanent & semi-permanent root colour using Goldwell for vibrant, durable, and natural-looking grey coverage.

At One-One Studio, we use Goldwell’s Topchic permanent and Colorance demi-permanent lines to deliver flawless root colour with up to 100% grey coverage. Our colour services nourish and protect your hair while providing vibrant, even tones and long-lasting shine

The 1-1 Colour

30 Min
165+

Root colour perfected with added gloss and Kerastase treatment for enhanced shine, nourishment, and long-lasting vibrancy.

Our 1-1 Colour service builds on our expert root colour by adding a gloss toner and nourishing Kerastase treatment. This combo delivers vibrant, even colour with up to 100% grey coverage, plus enhanced shine and deep hair repair for flawless results.

Express Colour

30 Min
95+

Fast permanent colour with Redken technology delivers 100% grey coverage on up to 1-inch regrowth in 10 minutes.

Using advanced Redken colour gel technology, our express 10-minute permanent colour covers up to 1 inch of grey regrowth quickly and effectively. Ideal for busy schedules, it offers vibrant, even colour with durable, long-lasting results and minimal downtime.

Topchic Zero Colour (Roots)

30 Min
110+

Goldwell Topchic Zero: vegan, ammonia-free permanent colour with natural ingredients, acai extract, and white tea essence.

Goldwell Topchic Zero is a newly reformulated, vegan permanent colour with up to 94% naturally derived ingredients. Enriched with antioxidant acai extract and conditioning white tea essence, its creamy, ammonia-free formula delivers vibrant colour with exceptional hair care and a pleasant scent.

The 1-1 Topchic Zero Colour

30 Min
185+

Gentle ammonia-free 1-1 root colour with Goldwell Topchic Zero, plus gloss and nourishing Kerastase treatment.

Our 1-1 Topchic Zero ammonia-free root colour uses Goldwell’s vegan formula with acai and white tea for gentle, natural care. Enhanced with a gloss toner and Kerastase treatment, it provides rich, even colour, lasting shine, and deep nourishment for healthier hair.

Shop One–One Studio Products

Access carefully chosen selection of internationally acclaimed beauty products, gifts and accessories.

Highlights

Classic highlights to add dimension and brightness, expertly applied for a polished, radiant look.
Our highlights create beautiful, natural-looking dimension by strategically lightening strands. Perfect for adding brightness and contrast, highlights enhance your features and refresh your style with a flawless, polished finish from Toronto’s top colourists.

Partial Highlights

45+ Min | $155+ | Book

Three Quarter Highlights

60+ Min | $175+ | Book

Full Highlights

60+ Min | $220+ | Book

Face Frame Highlights

30 Min | $110+ | Book

Color & Highlights

Combine vibrant color with expertly placed highlights for a customized, dimensional look tailored to your style.
Combine rich color with highlights for a personalized look that adds depth and dimension. We offer a range of options—including gentle ammonia-free color—to perfectly suit your hair goals. Let our experts create a style that’s uniquely you.

Color & Partial Highlights

60+ Min | $235+ | Book

Color & Full Highlights

75+ Min | $290+ | Book
Also available in ammonia-free

Balayage

Hand-painted balayage for a sun-kissed, natural gradient that softens and enhances your hair’s texture.
Experience the artistry of balayage with our expert colourists. This hand-painted technique delivers a seamless, sun-kissed look with soft gradients and natural dimension, creating effortless, low-maintenance colour tailored perfectly to your individual style.

Partial Balayage

60+ Min | $255+ | Book

Full Balayage

90+ Min | $320+ | Book

Oligo Pro

30+ Min
65+

Professional, long-lasting men’s color with nourishing ingredients for natural results and healthy hair.

Oligo Pro Men’s Color delivers rich, permanent color designed specifically for men’s hair. Infused with nourishing ingredients, it ensures natural-looking coverage and vibrant results while maintaining hair health and strength. Perfect for a polished, confident appearance.

Goldwell 5 min Reshade

15+ Min
58+

Quick, natural-looking grey reduction for men with no visible regrowth in just 5 minutes.

The Goldwell Men’s 5 Minute Reshade offers a fast, subtle solution to reduce grey hairs with a cool, masculine tone. This transparent formula blends grey naturally, providing no visible regrowth and a refreshed, low-maintenance look.

Permanent Color

30 Min
90+

Classic single-process permanent color for men, providing 100% grey coverage and natural grow-out as hair grows.

This single-process permanent color delivers 100% grey coverage with rich, consistent results. While it grows out with your hair, regular touch-ups are needed to maintain even color from roots to ends, making it ideal for those wanting full, lasting coverage.

Gloss

15+ Min
65+
A gloss is the perfect finishing touch after any colour service, refreshing tone and adding radiant shine.
Using professional formulas like Goldwell or Redken Shades EQ, this treatment enhances tone, seals the cuticle, and restores pH balance. It boosts shine, refreshes colour, and helps maintain the vibrancy of your hair. Also ideal between appointments to keep your colour looking fresh and luminous. Please note: glosses do not cover grey hair.

The 1-1 Gloss

15+ Min
75+
Elevate your colour with our 1-1 Gloss—add a KĆ©rastase treatment for just $10 more (regularly $55). Available with colour services only.
Our 1-1 Gloss combines a professional toner with a customized KĆ©rastase Fusio-Dose treatment to enhance tone, boost shine, and deeply nourish the hair—all in one powerful add-on. Available exclusively with colour services such as root touch-ups, highlights, or balayage.

Colour Correction

Expert color correction to fix uneven tones or unwanted color, with personalized plans tailored to your hair goals and history.
Color correction is a specialized service that fixes unwanted or uneven hair color—whether you’re going from dark to light, light to dark, or want to neutralize brassiness. Our expert colorists create a personalized plan based on your hair history and goals. A consultation must be booked beforehand to assess your hair and determine the best approach. Pricing varies depending on the length and difficulty of the service. Because color correction can be challenging, multiple sessions may be needed for optimal results.

T-Line

15+ Min
75+
T-Line is a quick and precise root touch-up for your hairline and part, perfect for maintaining a polished look between colour appointments.
This targeted service refreshes visible regrowth in the T-zone efficiently and effectively, helping you keep your style flawless. Please note: this service is only offered within two weeks of a full root application.

Ammonia-Free T-Line

15+ Min
95+
T-Line with Topchic Zero offers a gentle, ammonia-free root touch-up for your hairline and part, perfect for maintaining a polished look between colour appointments.
This targeted service refreshes visible regrowth in the T-zone while minimizing irritation, making it ideal for sensitive scalps. It delivers effective, vibrant colour with a gentler formula. Please note: this service is only offered within two weeks of a full root application.

Colour Consultation

30 Min
50
Custom colour consultation to assess your hair and design a personalized plan for beautiful, lasting results.
A personalized session to discuss your hair goals, assess your current colour and condition, and create a tailored plan for your desired look. This essential step ensures we recommend the best colour service and achieve beautiful, lasting results.