ruh — know what touches your skin

know what touches your skin

A free Chrome extension that uses AI to detect allergens, PFAS, and harmful chemicals in the products you shop for on Amazon — so you can choose with confidence.

View on GitHub Watch the demo
What it does

Your invisible safety net

Ruh works quietly in the background while you browse, surfacing what matters without interrupting your flow.

Auto-detects products

Recognizes when you're viewing an Amazon product and starts analyzing immediately — no clicks needed.

AI safety analysis

Claude AI examines ingredients, cross-references research, and identifies allergens, PFAS compounds, and other concerns.

Clear harm scoring

A simple 0–100 score tells you at a glance how safe a product is, with detailed breakdowns when you want to dig deeper.

Instant on return visits

Results are cached for 30 days. Revisit a product and see the analysis instantly, no waiting required.

See it in action

A quick look at ruh

Watch how ruh analyzes a product in real time — from detection to detailed safety breakdown.

How it works

Up and running in minutes

Ruh is open source and free. Clone, build, and install — you own the whole thing.

1
Clone the repo
Grab the source code from GitHub
git clone
2
Install & build
Install dependencies and build the extension
npm run build
3
Load in Chrome
Load the unpacked extension from the dist folder
chrome://extensions
4
Browse safely
Visit any Amazon product and see the safety analysis appear
Harm scores

Clarity at a glance

Every product gets a score from 0 to 100. Low means safe. High means consider an alternative.

12
Low concern
Organic face cream
47
Some concerns
Scented body lotion
83
High concern
Non-stick cookware
Open source

Start protecting yourself today

Ruh is completely free and open source. Your data stays yours. No accounts, no tracking, no subscriptions.

Get it on GitHub
1
Clone the repository and navigate to the extension directory: cd ruh/extension
2
Install dependencies and build: npm install then npm run build
3
Open chrome://extensions, enable Developer mode, click "Load unpacked", select the dist folder