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9:41Leoma

Compatibility check

Niacinamide 10% + Zinc

The Ordinary

94

Compatible

Pairs well with your serum and moisturizer. No conflicts found.

✓ VerifiedAdd to routine
9:41Leoma

Scan

Point at any product

9:41Leoma

Evaluating

Checking your routine

4 products · 31 ingredients

  • Niacinamide✓
  • Zinc PCA✓
  • vs. Vitamin C serum✓
  • vs. Retinol night cream✓

Cross-checking interactions…

In-aisle skincare compatibility

Bring light to every step of your routine.

Leoma checks any skincare product against your whole routine before you buy, so a bad reaction isn't how you find out two products don't mix.

How it works

Step 01

Scan it in the aisle

Step 02

We read every ingredient

Step 03

Get the answer before you buy

Point your camera at any product's barcode, or snap the ingredient label if it isn't in our database yet.

Leoma parses the full INCI list and checks each active against the products already in your routine.

Get a clear verdict (compatible, caution, or conflict) with a plain-language reason, in seconds.

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Skincare products

Why Leoma

Every other app judges a product in isolation. Your skin doesn't.

INCIDecoder, CosDNA, SkinSort: they'll tell you what's in a product. None of them know what's already in your routine. Leoma does. It checks the interactions they ignore: over-exfoliation, pH clashes, actives that cancel each other out. Then it tells you, plainly, whether it fits.

Interactions everyone else misses

Benzoyl Peroxide × RetinolRetinol × AHABHA × RetinolTwo exfoliants at onceFragrance × sensitivity

A routine is five steps. Leoma reads every one.

Tell Leoma what you already use across the five core steps. It remembers your shelf, and checks every new product against it.

  1. 01

    Cleanser

    AM · PM

    Your reset. Where every routine begins and ends.

  2. 02

    Toner

    AM · PM

    Preps and balances. Where exfoliating acids often hide.

  3. 03

    Serums

    AM · PM

    Where your actives live. And where compatibility matters most.

  4. 04

    Moisturizer

    AM · PM

    Locks everything in. What you put here affects how every layer beneath it performs.

  5. 05

    SPF

    AM only

    Non-negotiable. The last thing on, every single morning.

9:41Leoma

Compatibility check

Niacinamide 10% + Zinc

The Ordinary

94

Compatible

Pairs well with your serum and moisturizer. No conflicts found.

VerifiedAdd to routine

Every result shows how much to trust it.

Leoma never pretends to be more certain than it is. Every product carries a confidence tier, right where you scan it.

  • Verified

    Sourced from Open Beauty Facts and recognized ingredient databases.

  • AI-Evaluated

    OCR-scanned and LLM-parsed. Accurate, but not yet community-reviewed.

  • Community Flagged

    Has active disputes or downvotes. Always shown with a caution.

Light onevery label.

Leoma checks every ingredient against your whole routine and tells you, before you buy, whether it's safe to add.

Coming soon to iOS