1. Capture the starting point
Record natural level, existing artificial pigment, porosity, grey percentage and relevant service history. Shade numbers without a canvas can be misleading.
Hair color formulas · professional guide
Hair color formulas are records—not magic recipes
A screenshot of shade numbers is not a complete formula. The most useful professional color records connect the mixture to the starting canvas, application, timing and final result.
Professional guidance At your own pace With Ida Gunell
Blondr Education
Professional guide
Hair color formulas
Understand the decisions
Separate inspiration formulas from client-ready plans
Record roots, mids, ends and toner independently
Connect ratios and timing to the observed result
Build a formula history you can search and refine
From theory to client history
A formula becomes useful when you can find the full story again.
Use Blondr’s brand-independent formula app to keep each zone, ratio, timing and observation connected to the client.
Explore the formula appFrom knowledge to craft
You learn more when you know what to look for.
Learn what makes a formula transferable, searchable and useful when the client returns weeks or months later.
2. Record every zone
Roots, lengths, lowlights, lightener and gloss may each need their own line. Keep product, ratio and developer attached to the zone where they were used.
3. Add process information
Application order, development time and observations explain why a mixture behaved as it did. They are part of the formula, not optional notes.
4. Turn history into better decisions
Compare the previous plan with the result and next target. A reliable client history lets you adjust one variable intentionally instead of rebuilding from memory.
Your educator
Ida Gunell
Aveda Master Educator · colorist
“The best formula library is not the one with the most recipes. It is the one that helps you understand what happened on a real client and make a better next decision.”
Frequently asked questions
Professional answers, without the detour.
Where can professional colorists find hair color formulas?+
Brands, educators and professional communities publish inspiration formulas, but they must be interpreted against your client’s canvas and your product system. Never treat a social post as a guaranteed result.
What should a hair color formula include?+
Include product line, shade or product names, ratio, developer, application zone, order, development time, starting canvas and notes about the final result.
How do I keep client hair color formulas organized?+
Use a searchable client history that groups formulas by visit and separates each service zone. Blondr is designed to keep those records beside your professional education.
Can I save formulas from different color brands?+
Yes. A brand-independent structure is especially useful for freelance colorists, multi-brand salons and professionals who change product systems over time.
Made for life behind the chair
Ida in your pocket. Your craft in your hands.
Watch concise lessons between clients, then return to complete services whenever you have time to go deeper.
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