An independent journal for the art & science of hairPreview edition
The working library 30 readsReading pathsThree useful worksheetsOriginal research
The craft. The chemistry. The business.Field journal / 01
For curious hands & thoughtful minds

Good hair.
Better
questions.

A journal for people who do hair.
Explore the science, the craft, and the business behind the chair.

Open the notebook
Considered advice.
Sources you can follow.
01ChemistryColor, services & safety02Texture & cutShape, technique & care03ProductsIngredients & the evidence04Salon businessThe numbers behind the chair
22 new in-depth guides5 editorial desks3 transparent worksheetsExplore the working library ↗
Selected from the expanded edition

Fresh pages, useful perspectives.

Explore all 30 reads
Texture & cut
Method field guide

Choose a curl-cut method by the work it needs to do

Dry, wet, curl-by-curl and hybrid are process descriptions, not guarantees. Compare the assessment, the shape and the at-home finish.

Editorial framework with dermatology guidance · 4 min
Products
Evidence guide

The evidence behind bond builders

Bond builder is a category claim, not one mechanism. Compare formulas by the damage model, measured outcome, control, funding, and durability of the result.

Source-checked; laboratory evidence · 3 min
Tools & practice
Work-practice guide

Design wet work around the stylist's skin

Shampooing, rinsing, cleaning and chemical services add up. Map contact, select controls by task and make early reporting ordinary.

Occupational guidance checked · 3 min
Tools & practice
Vendor-evaluation playbook

Put salon AI claims through a live-service test

Virtual color and hairstyle tools exist. Before adopting one, separate the preview, the vendor's claim, the salon promise and the data flow.

First-party product claims and FTC guidance checked · 3 min
Follow a question, not an endless feed

A way through the work.

All reading paths
At your station / No. 01

Great work.
Better numbers.

Your time has a cost. So does everything in the bowl. Put both to work in a service-price scenario.

Interactive worksheetUnderstand the calculation

The service-cost calculator

USD · Example inputs
Modeled service price$87.00 cost base + fees & margin$100.00
ProductOverheadYour payFees + margin

A planning model, not a recommended price. Excludes taxes, tips, flat fees, and costs you have not entered. Nothing is sent or saved.

Close-up of naturally curly hair.
Heylenny · CC BY-SA 4.0
Texture is part of the conversation

More than
a curl type.

The shape someone wants. The way they wear their hair. The time they have in the morning. Start with the person in your chair.

Build a better consultation Explore texture & cut →
Our editorial promise

Craft deserves good evidence.

We keep the source close, the claims specific, and the unknowns visible.

How we work
The index

What’s on your mind?

Search field notes and the research library.