Hair / health / critical readingA thread between questions and evidence
Calvizie / CapelliThe thread of evidence
Official website · 2026 editionAn open atlas / 01

A small world. Worth understanding.

Inside
a strand.

Hair loss. Hair care. Your questions.
Follow the thread from what you notice
to what the evidence tells us.

Find your
starting point
C/C
OBSERVATORY
Editorial drawing · not to scale

A shape is not a diagnosis. To describe a change, start with the words: shedding, thinning, patches.

Open the glossary ↗
Observe. Ask. Check.General information / no online diagnosis
TEXTURES / 2026

More than
a strand.

The texture you see. The questions underneath.

A wave of chestnut hair with copper highlights on ivory paper.
Material, light, movement.AI-generated editorial photograph · no clinical results
ATLAS / 01 · A sequence, not a stopwatch

Every strand
has its own rhythm.

RENEWAL↻

Simplified, not to scale. Follicles are not all in the same phase; this drawing does not measure timing, quantities or your condition. Source: DermNet · Hair shedding ↗

01 / Your question

Where shall
we begin?

Three reading paths to the page you need. No medical test.

Your reading path

Understand what is changing

Shedding, thinning and patches describe different observations. Start with clear words and questions for your clinician.

Read the starting guide ↗

Your choice does not assess your health. We do not collect your answers.

02 / The evidence desk

A promise.
Unpack it.

The words on a package do not tell the whole story. Pick a question and see what needs checking.

A question to ask / 01

What benefit has been demonstrated?

“Natural” does not demonstrate effectiveness. A supplement does not replace diagnosis or treatment of a cause.

Read the guide and sources ↗
A closer look

Texture.
Care. Context.

Hair care and treatment answer different questions. Make room for both.

Illustrative rear view of dark curly hair and an ivory linen shirt.
Every texture is personal.AI-generated editorial photograph · no clinical results
A wide-tooth comb, towel and unbranded bottle on a stone surface.
Simple habits, precise questions.AI-generated editorial photograph · no clinical results
Read the everyday care guide ↗
03 / The open journal

Things worth
understanding.

Browse every guide ↗
A document worth reading

Finasteride.
The warnings are part of the answer.

The 2025 AIFA communication, its context and questions to discuss with your clinician.

Open the guide and official document ↗
04 / From reading to action

Bring along
better questions.

Tools that stay in your browser. No account, no medical scores.

A documented memory

One domain.
Several chapters.

From professional publishing to questions about hair. Historical snapshots tell the story; current sources guide the new pages.

Explore the archive 2011 → 2024 ↗
Our approach

The thread
of evidence.

Original explanations, primary sources and visible limitations. Sources checked editorially on 15 October 2026; no doctor is named as a clinical reviewer.

How we work ↗ · Source register ↗