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Hairodia

Privacy Policy

Last updated: January 2026

The Short Version

The Hairodia hair diagnosis tool collects zero personal data. Your answers and results are stored locally on your device using localStorage and never transmitted to any server. We do not track individual quiz results.

What We Collect

  • Newsletter subscriptions: If you join the Hairodia Circle, we store your email address with ConvertKit.
  • Analytics: We use privacy-friendly analytics to understand traffic patterns (no personal identification).
  • Purchase data: If you purchase a product via Selar or Gumroad, your payment data is handled entirely by those platforms — we receive only notification of a completed sale.
  • Cookies: Standard session cookies for site function. No advertising cookies.

Affiliate Links

Some product links on this site are affiliate links. If you purchase through these links, we may earn a commission at no additional cost to you. This does not influence our product recommendations, which are made on scientific compatibility grounds.

Your Rights

If you are in the EU/EEA, you have rights under GDPR including the right to access, rectify, and delete your data. To exercise these rights or to unsubscribe from the newsletter, contact us at privacy@hairodiacompanion.com.

Contact

privacy@hairodiacompanion.com