Evidence & Trust Hub

Straight answers, before you buy

Every claim on this site is written out and sourced. Pick the question that matters to your decision — each page answers it plainly, including where the evidence stops.

4 chapters 24 guides

Chapter One

Will it work for me?

The honest answer depends on the kind of hair loss you have.

Low-level laser therapy is cleared for pattern hair loss — not for every kind of thinning. These pages set out the mechanism, the published evidence, and the cases where the answer is no.

Check whether it applies to you

Chapter Two

Choosing & comparing

Specifications are easy to print and harder to verify.

What the numbers on a spec sheet actually mean, how the models differ, and how to check a clearance number yourself before you buy anything.

Open the spec index

Chapter Three

Using it properly

The studies measured results on a fixed schedule.

Session length, weekly frequency, what the first months look like, and what happens if you stop. The practical pages for after the cap arrives.

Read the full FAQ

Twenty-four guides across four chapters. The complete directory of every page on this site sits below.

Jump to the full directory