COSMETIC LENS
Evidence-based ingredient analysis

Know What’s Really in Your Skincare

Analyze ingredient lists, compare marketing claims to reality, and find affordable alternatives

Analyze a Product Learn About Ingredients
Product name Paste ingredients Photo
No signup required
Sample report
Niacinamide Safe
Ceramide NP Safe
Fragrance (Parfum) Caution
Data sources
PubChem Europe PMC Open Beauty Facts
Skincare bottles and a beaker on a marble counter, neutral grade
The formulation bench
Skeletal structure of niacinamide, PubChem CID 936
Niacinamide · brightening workhorse
Crème de la Mer
La Mer
LUXURY TIER
Creme
Nivea
BUDGET TIER
SHARED PetrolatumGlycerinMineral Oil
Dupe on file: La Mer vs Nivea

What You Can Do

Ingredient Analysis

Paste any product's ingredient list and get a detailed breakdown of what each ingredient does

Claim Verification

See which marketing claims are supported by actual ingredients, and which are just hype

Find Dupes

Discover affordable alternatives with similar formulations to expensive products

Personalized Insights

Get recommendations based on your skin type, concerns, and sensitivities

The evidence behind every answer

100+
Documented ingredients
39+
Interactions mapped
30+
Dupe sets compared
190+
Automated tests

How it works under the hood

Three techniques work together to ground every answer in real ingredient data, not marketing copy.

A back-of-bottle ingredient label with safe and caution ingredients marked up

Read the label from a photo

Snap a photo of the back of a product and the full INCI ingredient list is extracted for you.

The skeletal structure of retinol drawn on graph paper

Answers assembled step by step

Product search, dupe lookup, and interaction checks run in sequence, and the results are combined into one grounded answer.

A typeset reference index listing PubChem and Europe PMC sources

Every answer cites its source

Answers are grounded in a curated knowledge base of 100 ingredients, 39 interactions, and 30 dupe sets.

How It Works

The same analyzer, three moments.

01 · Paste
Aqua, Glycerin, Niacinamide, Ceramide NP

A name, a pasted label, or a photo — anything works.

Enter a product name or paste the ingredient list

02 · Check
Searching knowledge base 412 ms
Checking interactions 118 ms
Writing answer… …

Each ingredient is checked for efficacy and safety

03 · Read
Niacinamide Safe
Ceramide NP Safe
Fragrance Caution

Get a clear breakdown with personalized recommendations

Analyze a Product

Know what's in your products

Start your first ingredient analysis in seconds. No signup required.

Analyze a Product