What Works Skin — Independent · Evidence-First · Ad-FreeIssue 014 · 20 April 2026 · Next: 04 Maywhatworksskin.com

The Diagnostic · 40 seconds · No email

Five honest questions.
Three guides back.

Not a quiz that sells you a routine. A short triage that tells you which two or three of our concern guides match what you described — and where to start reading.

40 sec
Median completion
No email
No account, no list
No storage
Answers cleared on close
No routine sold
Guides only, never products
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§ 01 · Baseline

QUESTION 01 OF 05

Where does your skin sit on a normal Tuesday?

Not after a flare, not after a holiday. The middle of an ordinary week.

Where does your skin sit on a normal Tuesday?

From the editors

ON THIS DIAGNOSTIC

"Five questions can't replace a dermatologist. They can stop you reading the wrong guide for a fortnight. That's all this is for."

— Dr. Sundeep, Medical Review Lead. The matching weights are documented in the methodology under § 4.2.