Quizzes · English

The evidence quizzes

Short, honest quizzes graded on the research — pick one and get an evidence-first profile in about a minute. No products pushed, no hype.

Skin concerns
≈60 seconds

What does your skin actually need?

Five questions, an honest profile, and the research that backs it — in about a minute. No products, no sales pitch.

Take the quiz →
Skin barrier
≈60 seconds

Is your skin barrier damaged?

Five questions read the symptoms and give you an honest barrier-health profile — plus what the evidence says to do about it. No products, no sales pitch.

Take the quiz →
Actives & layering
≈60 seconds

Are your actives fighting each other?

Pick what's in your routine and get a personalised compatibility map, backed by our full ruleset — what plays well, what needs care, what belongs at different times. No products, no sales pitch.

Take the quiz →
≈60 seconds

Which retinoid is right for you?

Retinol, retinal, tretinoin, bakuchiol — five questions match your skin, goals, and tolerance to an honest starting point. No products, no sales pitch.

Take the quiz →
Breakouts & bumps
≈45 seconds

PIE or PIH? Decode your acne marks

Red marks and brown marks need different ingredients. Five quick questions — including the classic press test — tell you which you have and what actually helps. No products, no sales pitch.

Take the quiz →
≈45 seconds

What's that bump?

Five quick questions to recognise the most likely kind of bump — blind pimple, milia, fungal acne, keratosis pilaris — and what actually helps. A guide, not a diagnosis.

Take the quiz →
Routine & habits
≈60 seconds

Is your routine overloaded?

A five-question skinimalism audit: honest feedback on whether you're overloading your skin — and where doing less would do more. No products, no sales pitch.

Take the quiz →
≈60 seconds

Skin longevity: are your habits ageing you?

Prevention beats correction — and most of it is daily habits, not exotic serums. Five questions score how future-proof your habits are, honestly and without scare tactics. No products, no sales pitch.

Take the quiz →
Evidence & grading
≈30 seconds

Cut through the hype: does it actually work?

Pick a trending ingredient and see its honest grade — A to F, straight from our evidence register, with the studies behind it. No hype, no products pushed.

Take the quiz →
Myths
≈60 seconds

Skincare myths: fact or hype?

Ten claims you've seen online — tap Fact or Hype, then see what the evidence says. A quick, honest myth-buster.

Take the quiz →
Fun
≈45 seconds

Which peptide are you?

Six skincare questions and you find out which peptide is your personality. A fun quiz, an honest register instead of guesswork.

Take the quiz →
≈60 seconds

What your peptide is hiding

Every peptide hides an honest truth marketing won't tell you. Five questions reveal your peptide - and the secret it's been keeping.

Take the quiz →
≈30 seconds

Peptide Horoscope · Energizer

Your birth date reveals your peptide sign - which of twelve peptides is your personality twin. The Energizer edition.

Take the quiz →
≈90 seconds

How old are you living?

Seven questions about sleep, rhythm, movement, work and recovery, and you get a number. A lifestyle estimate, not a medical measurement.

Take the quiz →
≈90 seconds

How old are you living? · Variant B

The same seven questions and the same number. This one asks for your age first and your email last.

Take the quiz →
≈30 seconds

Peptide Horoscope · Cosmo

Your birth date reveals your peptide sign - which of twelve peptides is your personality twin. The Cosmo edition.

Take the quiz →
≈1 minute

What's your wellness type?

Six questions and you find out your wellness personality - the Biohacker, the Intuitive, the Drill Sergeant, and more. A fun quiz, not a health check.

Take the quiz →
≈30 seconds

What's your peptide sign?

Your birth date reveals your peptide sign - which of twelve cosmetic peptides is your personality twin. A fun ingredient-horoscope, character not skincare.

Take the quiz →
← All quizzes
Vallydia

A neutral, evidence-graded reference. Information for those who seek it — never promotion.

RegionInternational
TermsPrivacyCookiesReturnsShippingImprint

This site provides neutral scientific reference and sells only products lawful in your region. Nothing here is medical advice, a recommendation, or an offer to supply unapproved medicines. No dosing or administration is published for research compounds. Cosmetic peptides per Regulation (EC) 1223/2009. Unapproved injectable peptides are neither sold nor advertised in the EU (Directive 2001/83/EC, Title VIII). © 2026 Vallydia.