Every zone, clearly separated
Keep roots, lengths, lightener, lowlights and gloss in distinct formula lines inside the same visit.
Hair color formula app
Every client formula. Ready when they return.
Save roots, lengths, glosses, ratios, timing and observations in one structured client history—whatever professional color brand you work with.
Brand independent Built for colorists Available on any device
SSaved
Sofie N.
Color history · Visit 06
Roots
35 min
7N + 7.1 · 1:1
Lengths
15 min
8.13 + Clear · 1:2
Gloss
8 min
9V + 9N · 1:2
Cleaner neutral result. Reduce violet by ¼ next visit.
Built for the return visit
Your client history should tell you more than a shade number.
The starting canvas, application order, timing and result explain why a formula worked. Blondr keeps that context connected to the client.
A complete client history
See what you used, when you used it and what you observed before planning the next appointment.
Find the formula again
Replace paper scraps and scattered phone notes with one searchable, structured record.
Brand-independent by design
Record the professional product system your salon uses without forcing every formula into one brand’s language.
The Blondr difference
Learn the why. Save what happened.
Most education platforms end when the video stops. Formula apps store data without helping you build your craft. Blondr connects the two parts of professional color work.
1Learn a technique or formulation principle
2Apply it during a real client service
3Save the complete formula and result
4Return with better information next time
Learn → apply → remember
One connected color workflow.
Frequently asked questions
A clearer home for professional formulas.
What is a hair color formula app?+
A professional formula app stores client color records digitally. A useful record includes each service zone, products, shades, ratios, developer, timing, starting canvas and observations about the result.
Can I save formulas from different professional color brands?+
Yes. Blondr is brand independent, so colorists and salons can record the products they actually use and retain history even if their product system changes.
Is the formula tool connected to Blondr’s education?+
Yes. Blondr is built around a learn, apply and remember workflow: study a technique or formulation principle, use it with a client, then save the complete result for next time.
Who is the formula app for?+
It is designed for professional colorists, independent stylists and salon teams that need a clearer way to organize client color history.
Made by salon professionals
Never guess what you used last time.
Keep every formula where it belongs: with the client, ready for the next visit.
Open Blondr