The Premier Hair Colour Science Community for Confident Colourists
Create head-turning colour transformations without crossing your fingers or frying the hair.
Master the Chemistry, Consultation & Formulation That Turn Guesswork into Guaranteed Colour Success!
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4.9/5 star reviews
Thousands of happy customers worldwide
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Discover Why Understanding Colour Chemistry Is Critical for Flawless Results
Does this sound like you?
Relying on guesswork and hoping the formula lifts correctly.
Accidentally causing damage or unexpected tones that require costly fixes.
Feeling anxious during consultations because you can’t predict the outcome.
Wasting money on products you don’t need or know how to use.
Struggling to attract and retain high-paying colour clients.
Use science-backed formulas with total confidence.
Prevent damage and guarantee hair integrity on every service.
Deliver flawless results that turn clients into raving fans.
Invest only in products that support your results.
Charge premium prices for your expert knowledge.
Inside Your CSI Membership You’ll Receive
Hair Biology & Pigment Science
Understand hair structure, porosity and pigment—the foundation for every colour decision.
Diagnostic Consultation Mastery
Learn our CSI Consultation Blueprint to diagnose underlying issues and set correct client expectations.
Formulation Fundamentals
Formulate with precision—depth, tone and developer math simplified so every mix is predictable.
Lightening & Lifting Safely
Safely lighten and lift while protecting hair integrity with bond builders and timing science.
Corrective Colour Blueprint
Execute seamless colour corrections with our 5-Step CSI Rescue Protocol.
Advanced Creative Techniques
Master modern techniques—balayage, foilyage and creative melts—grounded in science, not luck.
TESTIMONIALS
What our students are saying...
" Before CSI I prayed to the hair gods every blonding service. Now I know exactly what the hair will do – and my re-dos have vanished. "
- Jade O’Connor, Senior Stylist
" The consultation module alone paid for the course. My clients trust me, accept my recommendations and happily pay premium prices. "
- John Doe
" I used to panic with colour corrections. CSI’s 5-step protocol saved my sanity and helped me add a high-ticket service to my menu. "
- Roberta Johnson
MODULES
FOLLOW MY STEP BY STEP VIDEO TRAINING
Hair Biology & Pigment Science
Understand hair structure, porosity and pigment—the foundation for every colour decision.
Diagnostic Consultation Mastery
Learn our CSI Consultation Blueprint to diagnose underlying issues and set correct client expectations.
Formulation Fundamentals
Formulate with precision—depth, tone and developer math simplified so every mix is predictable.
Lightening & Lifting Safely
Safely lighten and lift while protecting hair integrity with bond builders and timing science.
Corrective Colour Blueprint
Execute seamless colour corrections with our 5-Step CSI Rescue Protocol.
Advanced Creative Techniques
Master modern techniques—balayage, foilyage and creative melts—grounded in science, not luck.
Product & Tool Chemistry
Decode product labels and choose the right tools, developers and additives for every scenario.
Colour Business Growth
Increase revenue with smart pricing, retail and rebooking strategies that leverage your new expertise.
4.9/5 star reviews
Become a Confident Colourist Creator
Join CSI and master the science, strategies and support you need to predict, formulate and deliver show-stopping colour every time.
Here's what you get:
Immediate access to 40+ bite-sized HD training videos.
Downloadable formulation charts, consultation checklists and cheat-sheets.
24/7 access to our private community of supportive colourists and science experts.
Lifetime updates as new techniques and research emerge.
Today Just
£49 Per Month
"Best purchase ever!"
" The consultation module alone paid for the course. My clients trust me, accept my recommendations and happily pay premium prices. "
ABOUT YOUR INSTRUCTOR
Meet Samantha
Led by Michelle Turner, a certified trichologist and award-winning colour educator with 20+ years behind the chair, known for translating complex chemistry into salon-friendly language.
After correcting countless colour disasters, Michelle realised most hairdressers were guessing instead of using science. She created CSI to close that gap.
Graduates reduce re-dos by 80%, raise their colour prices by an average of 25%, and become fully booked within six months thanks to their new reputation for flawless work.
Voted “Colour Educator of the Year” three years running by HairPro Magazine.
Featured artist on multiple international colour-brand stages.
Trained over 5,000 stylists in 15 countries.
Developer of a patented bond-protection process adopted by a major colour company.
Host of the top-rated “Colour Science Insider” podcast.
Founder of CSI, a 12,000-member global community of colourists.
WHO IS THIS FOR...
Perfect for apprentices, seasoned stylists and salon owners who want consistent, safe and profitable colour services.
Apprentice Hairdressers
Independent Stylists
Salon Owners & Managers
Mobile & Freelance Colourists
Educators Seeking Deeper Science
Barbers Adding Colour Services
Bridal & Session Stylists
Beauty School Students
STILL NOT SURE?
Satisfaction guaranteed
We want you to find value in our trainings! We offer full refunds within 30 days. With all of our valuable video training, we are confident you WILL love it!
STILL GOT QUESTIONS?
Frequently Asked Questions
Do you cover colour business and pricing strategies?
Absolutely. We dedicate an entire module to increasing revenue through smart pricing, retail and retention using your new expertise.
What skill level do I need before joining?
Whether you’re fresh out of school or a 20-year veteran, CSI meets you where you are. A basic understanding of colour levels helps, but we explain everything step by step.
How is CSI different from brand-specific training?
We teach universal, science-based principles that apply to any colour line, so you’re never tied to one manufacturer’s marketing.
Enroll in the course now!
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