Beauty Elixir

Free acne-safe ingredient lab

Will it break you out?

Paste any skincare or makeup ingredient list. In one second you'll see every pore-clogging ingredient and fungal-acne trigger in it, even with typos.

Or see a ready-made scan: CeraVe Moisturizing Cream · CeraVe Daily Moisturizing Lotion · CeraVe PM Facial Moisturizing Lotion

01

Pore-Clog Checker

Get comedogenic ratings and fungal-acne triggers for any product, plus a clean score and safer swaps.

109 ingredients rated
02

Can I Mix…?

Choose two actives and get an instant verdict with the AM/PM timing and layering order.

741 combinations explained
03

Routine Builder

Answer five taps and get a 7-day AM/PM plan for your skin and your city's weather.

30 seconds, no sign-up
04

Hair Porosity Test

Find out whether your hair is low, medium or high porosity, and get the right oils and wash schedule.

8 questions, shareable result
05

Perfume Spray Calculator

Find out how many sprays to use for the office, a date or summer heat, and where to put each one.

Plus a perfume dupe finder
06

Batch Code Checker

Find out when your MAC, Clinique or Estée Lauder product was made, and whether it has expired.

Plus a PAO expiry calculator

Worst pore-cloggers to watch for

Full comedogenic list →
Can I mix with

Most-asked “can I mix” questions

See the full chart →

Routines for your city's weather

Build your own →

From the journal

All articles →
Hair care

Winter Dandruff: Why It Gets Worse and What Actually Helps

Flakes that get worse in winter can be a dry scalp or dandruff caused by yeast. How to tell them apart, which ingredients work, and when to see a doctor.

Skin barrier

Hard Water and Dry, Itchy Skin: What Helps in Winter

Does hard water dry out your skin? What it does to cleansers and your skin barrier, what the evidence says about shower filters, and simple changes that actually help.

Product guides

Festive Sale Skincare: Compare by Ingredients Before You Add to Cart

Sale week makes everything look like a bargain. How to compare serums and moisturisers by ingredients, with side-by-side scans of popular products.

More free tools