Does your skincare routine work together?

Yarai checks whether your skincare routine works together: what fits, what's missing, what you're doubling up on.

It estimates how much of each ingredient you're getting across your products, because often the issue isn't danger, it's excess: you're using more of an ingredient than it takes to work.

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5.0 on the App Store from 14 ratings
Free to scan  ·  Routine check free for up to five products  ·  No account

Example routine read

Space these apartRetinol and glycolic acid, same evening
What's missingNo SPF in your morning routine
More than the step needsThree exfoliants in one routine. One is all this step needs.

An example, not your routine. Yarai reads your own products.

The three things it checks

Works together

What fits

Every product checked against every other, graded from "space these apart" to "don't combine", with the chemical reason and the source. Eight pairs flagged, four deliberately not.

How the routine check works

What's missing

The gaps

A scanner tells you what is in a bottle. This tells you what your shelf does not have, starting with the three essentials and then the actives that suit your skin.

How we score

What's too much

The amount

Amounts added up across your products, so the warning is about excess rather than identity: "Not harmful, just more than the step needs in one night."

Every pair we check

What's missing

Three things do the work for almost everyone: a cleanser, a moisturiser and sunscreen. Yarai checks you have those first, then looks at the optional actives that suit what you have told it about your skin: vitamin C, a retinoid, niacinamide, hyaluronic acid, ceramides, an exfoliant, peptides. It adjusts for morning and evening, and it drops the retinoid if you have told it you are pregnant or breastfeeding.

It also groups the products doing the same job and says so plainly: "More exfoliant than you need. You have 3 of these in one routine. One is all this step needs."

What's too much

When Yarai warns you, the warning is about an amount rather than an identity. It shows tonight's load as Under-treating, In range or Over threshold, and when you are over it names the fix: "Dropping the exfoliant tonight brings load back in range. Nothing else changes."

The same goes for the ingredients people are told to fear. Regulators have studied many of them and set a limit, and when the estimated amount is within that limit, Yarai does not take points off for it. We would rather you use a well-studied ingredient at a known amount than a replacement nobody has studied.

38ingredients with an EU maximum
1%EU cap, phenoxyethanol
2%EU cap, salicylic acid
0.4%EU cap, methylparaben, single ester

Where the EU and the United States differ, and the data records a difference for 21 ingredients including parabens and retinol, Yarai shows both positions rather than picking one. Something has to preserve the water in the jar; the useful question is not whether a preservative is present but how much of it is.

The honest limits. An ingredient list gives order, not percentages, so every amount here is an estimate, strongest near the top of a list and weaker toward the bottom. The combined-amount warning needs at least two products and a 25 percent margin over the threshold before it says anything, because an estimate that cries wolf is worse than no estimate.

What replaced the ingredient you were scared of

Can I use these together?

The four pairs Yarai deliberately does not flag.

Can you use niacinamide and vitamin C together?Not a conflict
Can you use retinol and vitamin C together?Not a conflict
Can you use niacinamide with AHA or BHA acids?Not a conflict
Can you use copper peptides with vitamin C or acids?Not a conflict

See every pair we check

Independent by design

What decides the score is the ingredients, their estimated amounts and the evidence behind them. Nothing else. No brand can pay to raise a score, rank higher or be recommended.

Yarai does not recommend products at all, in either direction, which is the simplest way to keep scoring and shopping from pointing at the same thing.

No ads, no brand sponsors, no data sold, no account.

Checking a single ingredient is table stakes and every app does it. Yarai does it too, and publishes what it holds on each one: the ingredient library.

From the App Store

★★★★★

Lovely product

One of my favorite features is that it flags ingredient conflicts, so you know which products shouldn't be used together in the same routine.

sainaasani
★★★★★

Skincare Information That Makes Sense

Instead of throwing a bunch of ratings at you, it actually explains what's inside products and how they fit into your routine.

ByCuriousGeorge
★★★★★

Instant insight

The interface is clean, easy to use, and the explanations are presented in a way that's accessible even if you don't have a skincare background.

may_asl
★★★★★

No barcode necessary

I really like that you can just scan the product and don't need the barcode like other apps.

Faribakh92

Frequently asked questions

What is Yarai?

Yarai is a free skincare routine checker for iPhone and Android. It checks whether your skincare routine works together: what fits, what's missing, what you're doubling up on.

Is it free?

Scanning is free. Checking a routine is free for up to five products. A subscription covers larger routines, detailed scores and insights. There is no account.

Does Yarai work on products that aren't in a database?

Yes. Point the camera at the front of the pack. Yarai identifies the product, then finds that product's published ingredient list. No barcode. A back-of-pack photo with no brand visible will not work, because it identifies the product first.

What does "too much" mean?

It means the estimated amount of one ingredient, added up across the products in your routine, is past the threshold recorded for it by a margin of at least 25 percent. It does not mean the ingredient is harmful.

What does it tell me is missing?

Yarai checks the three essentials first, a cleanser, a moisturiser and sunscreen, then the optional actives that suit your skin profile. It adjusts for morning and evening and for pregnancy.

Can brands pay to change the score?

No. No brand deals, no paid placement, no product recommendations and no data sold.

Compare it with the others

We wrote up eight skincare apps in their own words, quoted and dated, including ours: best skincare apps 2026.

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