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Glass Skin Lab

Make your skin shine
Glass Skin LabMake your skin shine
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Personal beauty laboratory · Est. 2026

Your skin,
read like a specimen.

Twenty questions and one photo produce a skin profile, a morning and night routine, and a shortlist of products that match what your skin is actually asking for.

Skin score

What the lab does

Six instruments, one profile. Everything reads from the same analysis, so your routine, your product shortlist and your journal stay in sync.

Instrument 01

AI Skin Analysis

A twenty-question diagnostic covering skin type, concerns, habits and lifestyle. Returns a skin score out of 100, a written profile and a routine built around it.

Instrument 02

AI Face Scan

Upload a clear, bare-skin photo. The scan describes what it can see — congestion, redness, texture, dryness, glow — and translates it into ingredients to try.

Instrument 03

Skincare Index

Cleansers to sleeping masks, filtered by category, ingredient, concern and price tier. Built to grow past 500 entries.

Instrument 04

Makeup Index

Base, cheeks, eyes, lips and tools — with finish and coverage tagged, so a glass-skin finish is one filter away.

Instrument 05

Skin Calendar

Log condition, hydration, breakouts and products used. Patterns show up over weeks, not days.

Instrument 06

Beauty Nutrition

Recipes chosen for what they do for skin — collagen, omega-3, zinc, antioxidants, hydration.

Instrument 07

Skin 101

A spot the night before an event, a stinging barrier, a purge you can't read. Twenty situations with what to do and what to skip.

Instrument 08

Ingredient Library

Retinol, niacinamide, acids and vitamin C explained — plus which combinations to keep apart, and why.

Instrument 09

Makeup Placement

Where blush, bronzer, contour and highlighter actually go, mapped onto a face for five face shapes.

The index

Every product in the lab is filed against this taxonomy. Tap any category to jump straight into it.

Categories 0

AI skin analysis

Twenty questions, about four minutes. Answer for how your skin behaves most of the time, not on its worst day.

Test GSL-20

Skin scan

Add a photo if you want the full effect, then answer ten questions about what you can see and feel. You get an eight-area reading and a plan.

Cosmetic Not medical

Drop a photo, or tap to choose

Optional · stays on your device · front-facing, hair pulled back

Read this first. This is a cosmetic appearance tool. The reading is built from your own answers, not from your photo. It cannot diagnose acne, rosacea, eczema, infection or anything else, and it cannot judge a mole or lesion. Anything painful, spreading, bleeding, changing or not settling belongs with a dermatologist. Your photo never leaves this device and is never uploaded anywhere.

Is it for me?

You're standing in DM, or something just came up on your feed. Type the product name and find out whether it suits your skin before you spend anything.

Match

📷 Photograph the product

For the scan effect — the check itself runs from the name you type

or type it
The score is worked out from the answers you gave in the skin analysis, so it's personal to you rather than a rating of the product. A low score doesn't mean it's a bad product — it means it was built for different skin. If you haven't done the analysis yet, you'll get a general read instead.

Skin 101

The situations that send everyone to the internet at midnight — answered properly, with the things not to do listed as clearly as the things to do.

Most "never mix these" advice online is overstated. Here is what actually matters, and what the fuss is really about.

Read before you mix anything. Your kitchen is not a lab. The masks below are chosen because they are hard to get wrong. The list at the bottom is the viral advice that sends people to a dermatologist — it is there so you recognise it when you see it on TikTok.

Never put this on your face

All of these are popular online. All of them cause real damage.

Sixteen claims you'll meet within a week of following any beauty account, sorted into true, false, and the awkward middle.

Paste an ingredients list, or type a product name. You'll get a plain-English breakdown of what's in it and how it fits your profile — not a verdict on whether it's "clean".

This explains ingredients and flags what's worth knowing for your skin type. It deliberately doesn't rate products as clean, toxic or safe — those labels have no regulatory meaning, and the ingredients most often attacked online are among the best-studied preservatives available.

Skincare index

Filter by category, key ingredient, concern or price tier. Favourites are saved to your profile.

Entries 0

Makeup index

Tagged by finish and coverage, so you can filter for a glass-skin glow or a flat matte in one move.

Entries 0

Shade matcher

Six questions about how your skin behaves. More reliable than any photo, and it runs entirely on your device.

Guidance Not exact

Drop a bare-skin photo

Daylight, no makeup, no filter, facing a window

Why questions, not a photo. Phone cameras auto-adjust white balance and screens are not colour-calibrated, so photo matching is unreliable — and least reliable of all on very deep and very fair skin, which is a known failure across the whole industry. Six honest answers about how your skin behaves beat a photograph every time. Add a picture if you like the scan effect; it stays on your device either way.

Tutorials

Six occasions, with the reasoning behind each choice rather than just a product list.

Where it goes

Placement is what separates makeup that flatters from makeup that sits there. Pick a step and a face shape.

Makeup match

Four finished looks, each built from products already in the index.

Beauty nutrition

Food does a slower job than serum, and a more permanent one. Each recipe is filed by what it feeds.

Recipes 0

Skin calendar

Tap a day, pick how it felt, add what you used. After three weeks the pattern is usually obvious — and it's usually sleep.

Days logged 0

Recipe of the month

Recent entries

Profile

Your analysis, your saved products and your logged days, in one place.

Backup

Everything you save lives in this browser. A backup file is how you move it to a new phone — or get it back if this one is wiped.

Your data, in one file

Your analysis, shelf, basket, wardrobe photos, calendar, points and outfits all go into a single file you keep. Nothing is uploaded — the file is yours, and only you have it.

Worth doing once a month, and always before you change phone. On an iPhone, add this site to your home screen — Safari clears stored data for sites you haven't opened in a while, and a home-screen icon prevents that.

Beauty DNA

Six strands. Tap any one to set it — they feed routines, matches and recommendations across the whole lab.

Beauty analysis

What you own, what you spend, and where the gaps are.

My shelf

What you actually own. Tap any product for the details.

Basket

What you want to buy. Tick it off once you have.

Seasonal mode

Your glow dashboard

Points come from doing the boring things consistently, because that's what actually works.

Today's challenge

One small thing. It changes every day.

Achievements

Beauty clubs

Pick the ones that match what you're working on. They tune what the app shows you.

This week's reading

Light entertainment. Take it exactly as seriously as you take horoscopes generally.

Beauty horoscope
Travel routine builder

Packing a routine that survives a suitcase

Hair Lab

Find your hair type properly, then treat it as what it actually is rather than what you assumed it was.

Types 1 to 4

Four tests. Do them in this order, on clean hair with nothing in it, and you'll have a complete picture in a week.

Porosity decides which products work on you, and it is the reason two people with identical curls need completely different routines.

Five questions to find the colour family that will look like it grew there. Take the shade names to a colourist, not a photo of someone else.

Perfume library

Search and filter every fragrance by family, season and price — or take the ten-question test to narrow it down.

Families 10

The families

Browse everything

Not sure where to start?

Ten questions narrow ten families down to the two or three worth sampling.

The scent test

What do you actually like?

Nobody can smell a perfume through a screen. What this can do is narrow ten families down to the two or three worth sampling — which is the expensive part of finding a signature scent.

How to test properly. Spray on skin, not paper, and wear it for a full day before deciding — the opening is not the perfume. Never test more than three at once; your nose stops distinguishing after that. And buy a sample or decant before a full bottle.
✨ Glass Skin Lab ✨

Store Finder

Type your city and what you're looking for. Works anywhere in the world.

🌍 Beauty chains by country
💖 My saved stores
Show the live map instead

The map pulls from OpenStreetMap. It needs an internet connection and can be blocked inside preview windows — if it stays blank, the search above does the same job without it.

Beauty sister

Ask anything. She searches everything written in this lab — routines, ingredients, fixes, myths, hair, products — and answers from it.

Answers from the lab
What she is. She looks things up in this app's own library and tells you what it says — she doesn't invent answers, and she'll say so when she doesn't know. That's deliberate: a chatbot that guesses about skin is worse than one that admits the gap. Everything runs on your device, so nothing you ask is sent anywhere.

Beauty challenges

Small things, done properly. Each one earns XP, and XP unlocks the guides.

XP 0

Today

All challenges

Sixty-six of them across nine areas. Do any, any day — they reset each morning.

Inspiration board

Your own boards for skin, makeup, hair, fits, nails and aesthetic — plus a test that names what you're actually drawn to.

Boards 6
Why you pin your own images. A board that pulled pictures from Pinterest or Instagram would be republishing other people's photographs without permission, and that's the kind of thing that gets a site taken down rather than a warning. So this board holds what you save yourself — screenshots, your own photos, anything you've found. It stays on your device, which also means nobody else can see your board.

Empty tracker

Products people actually finished. That\u2019s the only honest review there is — not the one someone was sent for free.

Entries

Product radar

What\u2019s trending now, what\u2019s arriving next, and what deserves more attention than it gets.

Glass Skin Lab Awards

Monthly awards. Vote in each category — .

Votes currently live on your device. A real shared leaderboard needs a server — the same Firestore as the Empty tracker, plus protection against repeat voting. Until then this is your own record: at the end of the month you see what you picked, and next year you see whether it changed.

Quizzes

Each one earns XP and sharpens what the lab recommends to you.

Smart shopping assistant

Before you buy: it checks what\u2019s already on your shelf and tells you when you don\u2019t need it.

Reads your shelf

Birthday beauty box

Beauty passport

Body care

The largest organ you own, and the one that gets a tenth of the attention.

Products

Nails

Shapes, care, and an honest comparison of gel, acrylic, builder and press-ons.

Methods 6

The shape that suits you is mostly decided by your nail bed and what you do with your hands — not by what's trending.

Movement

Pilates, strength, yoga, barre, cardio and mobility — with the actual instructions, not just names.

Exercises

Privacy

Last updated:

The short version

This site does not ask you to create an account. Everything you enter — your skin answers, your products, your photos, your outfits — is stored inside your own browser, on your own device. We cannot see any of it, and there is no database of users behind this site. The only thing recorded is an anonymous visit count, described further down.

Who runs this site

This site is operated by the site owner. For any question about privacy, write to the address on the site.

What is stored, and where

When you use the site, the following is saved in your browser's local storage:

  • Your answers to the skin analysis and other questionnaires
  • Products you mark as owned, wanted or finished, and prices you type in
  • Calendar entries, challenges, points and saved outfits
  • Any photographs you add — your face, your clothes, your inspiration board

All of it stays on your device. None of it is uploaded or backed up by us. If you clear your browser data, use another browser or switch device, that information is gone and cannot be recovered — not even by us, because we never had it. The profile page has a backup button for exactly this reason.

Photographs

Photos are resized inside your browser and saved there. They are never sent to a server, and no image recognition runs on them. Where the site shows a scanning animation, that animation is decorative — the results come from the answers you give, not from the picture.

Cookies and visitor counting

This site sets no cookies and carries no advertising.

It does count visits, using GoatCounter. That counter records the page you opened, roughly where in the world you are (country level), which site sent you here, and whether you are on a phone or a computer. It does not set cookies, does not store your IP address, and does not track you from one site to another. There is no way for us or for them to identify you personally, and nothing is sold or shared with advertisers.

If you would rather not be counted at all, any ad blocker or the browser's "do not track" setting will stop it.

Services this site relies on
  • Hosting. Like all web hosts, ours records standard server logs including visitor IP addresses, for security and reliability. We do not use them to identify anyone.
  • Fonts. Typefaces load from Google Fonts, so your IP address reaches Google when the page loads.
  • The map. Only if you open the store finder and search, your search text goes to OpenStreetMap's public services so results can come back. Saved shops stay on your device.
Your rights

Under the GDPR you may access, correct, export and delete your personal data. Because everything lives on your device you can do all of it yourself: the profile page has a backup button and an erase button, and clearing your browser data removes everything permanently. If you believe your data has been mishandled you may complain to the Hungarian authority, NAIH (naih.hu), or the authority in your own country.

Children

This site is intended for people aged 16 and over.

Mirror mode

Your getting-ready checklist, built from your profile. It resets every morning.

Today

Beauty capsules

Collections for a season, a trip or a routine. Build them from your shelf and wish list.

Glass Skin Lab presents

The Style Laboratory

Your wardrobe · your outfits · the fashion desk

Click the wardrobe to open it

Section one

Your wardrobe

Photograph what you actually own. Everything stays on this device — nothing is uploaded anywhere.

Section two

Outfit of the day

Tap a circle to fill that part of the figure from your wardrobe. Save it and it goes into your style calendar.

Today's look
Style goals
Section three

Your style calendar

The last four weeks of what you actually wore. Over time this is the only honest record of which clothes earn their place.

Section four

The wish bag

Clothes you want but don\u2019t own yet. Photograph them and they wait in the bag.

Click the bag to open it

Section five

Find your face shape

Five questions. It decides which hair length, brow shape, neckline and frames actually suit you — and it is the thing almost everyone guesses wrong.

Measure, don't guess. Pull your hair back, face a mirror square on, and answer by looking rather than by memory. If you can, measure forehead, cheekbone, jaw and length with a tape and compare the four numbers — that beats any questionnaire, including this one.

Section six

The fashion desk

Ten pages on how clothes actually work. Click the page to turn it.