Answer a few questions and the whole site tailors to you — your concern hubs, the routine builder and every tool. No account, no email; your answers stay in your browser.
Everything on the site now reflects this. Change it any time — one update flows everywhere.
🔒 Private to this device. Your profile is stored only in your browser via localStorage — never sent to a server, never tied to an account. Privacy by architecture, not by policy.
Yes — completely free, with no account, no email and no paywall. Skin Stacker is an independent reference with nothing to sell you, so there's no upsell at the end. You answer a few questions and get your personalised profile plus where to go next.
Only in your own browser. Your profile is saved to your device using localStorage — it's never sent to a Skin Stacker server and isn't tied to any account. It stays private, and clearing your browser data (or using another device) clears it. This is privacy by architecture, not by policy.
Yes. Retake the quiz any time and it pre-fills your current answers, so you only adjust what changed. Every tool re-reads your profile the moment you update it, so a single change flows everywhere — the concern hubs, the routine builder and the compare tools all update together.
Your profile — skin type, concerns, goals, routine level and life stage — is the single source of truth the whole site reads from. It tailors your concern hub pages, pre-loads the routine builder, tunes the ingredient decoder and dupe or compare recommendations, and lets tools flag actives to avoid during pregnancy or menopause.
No. The quiz is educational and helps you navigate an evidence-led reference — it can't examine your skin, diagnose a condition or replace personalised clinical advice. For persistent, painful or worrying skin concerns, see a qualified dermatologist.