Published by Napattiga. An original reading companion to our Journal, written from the brand's perspective.
Separate the questions before changing the routine
Advice about washing hair often mixes three decisions: what to wash with, when to wash, and what result to expect. Separating them makes an article easier to evaluate and a question for a professional easier to explain.
A recommendation about the number of washes does not, on its own, establish that two cleansing methods do the same job. A photograph of someone's hair also leaves out the products, styling and circumstances around it.
1. What job is the method meant to do?
Begin with the product's stated purpose and directions. Are you reading about cleansing, conditioning, styling, or a combination? Avoid treating all products with a similar texture or a familiar ingredient name as interchangeable.
Our guide to shampoo, water-only washing and co-washing discusses those different jobs and identifies gaps in the evidence it reviewed. Its comparison is an editorial guide, not the result of a trial that tested every option against every other option.
A useful note to make while reading is: “Which claim is explained by a mechanism, and which claim was actually tested in people?” Both can be informative, but they answer different questions.
2. What does the calendar tell you?
“Day three” describes elapsed time. It does not tell you whether two people used the same products, had the same starting routine, exercised, or styled their hair in the same way.
Our article on three days without washing hair describes a small study with seven participants and distinguishes its findings from broader expectations. A small sample is a reason to read the limits carefully, rather than turn a day-by-day story into a universal deadline.
3. What would be useful to record?
For an ordinary routine note, record the date, the products you used and any styling steps. Add a short description in your own words instead of forcing every day into a good-or-bad score. This is a memory aid, not a diagnostic test or evidence that a product caused a change.
Persistent scalp symptoms deserve advice from a qualified clinician, rather than an attempt to meet an online washing challenge. Bring clear notes and questions if you seek help.
You do not need to buy a particular brand to use this reading checklist. The aim is a clearer question, not a predetermined answer.