A patient wrote this. Here is how to check it.

Who writes this

I am Ajith Dhati. I have had vitiligo since I was nineteen and I have used home narrowband UVB for years. I am a patient who does the reading, not a clinician.

That cuts both ways. The lived-experience writing here is first-hand and specific in a way a content agency cannot fake. But I bring no clinical judgement to it, so every clinical claim is sourced to people who have it, dated, and linked so you can open the source and read what it actually says.

Do your own due diligence. Take what you find here to your own clinician and check it. If a source does not say what I have said it says, that is an error and I want to hear about it.

Nothing here is medically reviewed

No clinician has reviewed these pages. SteadySkin will not print the phrase “medically reviewed,” and will not print a reviewer’s name, unless a named credentialed clinician has actually read the page and agreed to be named on it. Claiming a review that did not happen is worse than not having one.

If that changes, the reviewed page will carry the reviewer’s name, credential and review date, and this section will log what the review changed. Until then, review status is stated only here. The rest of the site links here rather than repeating it.

Where the numbers come from

Every source gets exactly one tier, and the tier is shown to you, not just stored.

Tier 6 never supports a claim. If a forum thread shows that people are confused about refill codes, that tells me what to write about. It is not evidence that anything is true, and I do not publish a claim that rests on one.

Sources are also flagged independent or not. A device manual is a perfectly good source for that device's specifications and a bad one for whether you should buy it. Which is which is stated in words - never by colour alone.

How confident the evidence is

Four grades, deliberately coarse. A ten-point scale would imply a precision this evidence base does not have.

• Well established
• Reasonably supported
• Limited evidence
• Not established

“Well established” requires at least two independent tier 1 or tier 2 sources that agree. That rule is applied before publication and the supporting sources stay visible.

The rules above are stated here; the library they run on is at Research, with the limits left in, which carries the method, a plain-language glossary, and who was actually studied for the evidence behind the claims.

What I will never publish

• A dose, a treatment time, or a J/cm² value - anywhere, in any tool, for any reason
• A conversion between devices, including anything labelled “approximate”
• A statistic without a citation to a real, dated source. Every number here is one you typed, one computed from what you typed, or one I can point at
• A dosing table copied from a clinical document, even a properly cited one
• Home treatment framed as simply better than clinic treatment
• A specific device recommended to you based on your condition
• Anything you type into a tool, anywhere. It stays on your device

How this stays current

Payer policies, device specifications and lamp part numbers all change. Dated material is checked again on a schedule, and a person reviews every change before it goes live. Nothing edits this site automatically.

Every claim carries the date it was last checked, and that date is shown to you. When a page passes its review date, it says so. Better that you see a page is six months old than quietly assume it is fresh.

Analytics: this site ships with analytics turned off by default. If they are ever enabled, they will be the privacy-limited, cookie-free kind described in the health-data policy, and the change will be announced on What’s new before it takes effect - never silently.

How the images are made

SteadySkin uses AI-generated and edited editorial images to make guides easier to scan. They are illustrations, not patient records, clinical evidence, treatment results, device instructions, insurance documents, or endorsements. Each one is reviewed before publication and its generation and edit history is kept.

Captions explain the scene where that helps. The full provenance record lives here instead of repeating the same label beside every image.

When I get it wrong

Every substantive correction is dated and reviewed with the sources that support the new wording.

If you have found an error, especially if you are a clinician or you work in insurance, please use the current support contact. Reader corrections are an important part of how this site improves.

How this is paid for

No device or drug company pays for anything here.

SteadySkin is preparing a free iOS app with a planned optional paid subscription. The app is not publicly available yet, so the site currently earns no app-subscription revenue.

Clinical evidence and insurance facts will not sit behind a paywall.

Standing pledge on device-company money: SteadySkin does not accept per-sale commissions, percentage referral fees, or affiliate links from any device maker, pharmacy, or supplier, and never will. If a company ever pays for anything here (for example, a flat fact-checking fee), it will be a fixed amount agreed in advance, disclosed on the page it touches, and it will never appear on insurance pages or change how products are ranked or described.