Privacy Policy

Last Updated: January 28, 2026

Introduction

Astherion, Inc. ("Astherion," "we," "us," or "our") respects your privacy and is committed to protecting your personal data. This privacy policy explains how we collect, use, and safeguard your information when you visit our website or use our products and services.

Information We Collect

Personal Information

When you sign up for our waitlist, beta program, or contact us, we may collect:

  • Name and contact information (email, phone number, address)
  • Demographic information (age, location)
  • Activity preferences and outdoor interests
  • Payment information (for beta program participants)

Biometric Data (Beta and Production Users)

Our biosensor products collect health and biometric data including:

  • Heart rate and heart rate variability
  • Body temperature
  • Movement and posture data
  • Breathing rate
  • Galvanic skin response

This data is collected only with your explicit consent and is used solely to provide you with health insights and product functionality. You maintain full ownership and control of your biometric data.

Usage Data

We automatically collect information about your device and how you interact with our website, including IP address, browser type, pages visited, and time spent on pages.

How We Use Your Information

  • Product Development: To improve our biosensor technology and develop new features
  • Communication: To send you updates about your waitlist status, beta program, or order
  • Personalization: To provide personalized health insights and recommendations
  • Analytics: To understand how users interact with our products and website
  • Legal Compliance: To comply with applicable laws and regulations

Data Sharing and Disclosure

We do not sell your personal or biometric data. Ever.

We may share your information only in the following circumstances:

  • Service Providers: With trusted third parties who help us operate our business (e.g., email services, payment processors)
  • Aggregated Data: We may share anonymized, aggregated data for research purposes, with no personally identifiable information
  • Legal Requirements: When required by law or to protect our rights
  • Business Transfers: In connection with a merger, acquisition, or sale of assets (you will be notified)

Your Rights and Choices

You have the right to:

  • Access: Request a copy of your personal data
  • Correction: Update or correct your information
  • Deletion: Request deletion of your data (subject to legal requirements)
  • Opt-Out: Unsubscribe from marketing communications
  • Data Portability: Request your data in a portable format
  • Biometric Data Control: Delete all biometric data from our systems at any time

To exercise these rights, contact us at privacy@astherion.com

Data Security

We implement industry-standard security measures to protect your data, including encryption, secure servers, and regular security audits. However, no method of transmission over the internet is 100% secure, and we cannot guarantee absolute security.

Data Retention

We retain your personal data only as long as necessary to provide our services and comply with legal obligations. Biometric data is retained only while you actively use our products and services, and can be deleted at your request.

Children's Privacy

Our services are not intended for individuals under 18 years of age. We do not knowingly collect data from children.

International Data Transfers

Your data may be transferred to and processed in the United States or other countries where our service providers operate. We ensure appropriate safeguards are in place for such transfers.

Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any material changes by email or through our website. Your continued use of our services after such changes constitutes acceptance of the updated policy.

Contact Us

If you have questions about this privacy policy or our data practices, please contact us:

Astherion, Inc.

Email: privacy@astherion.com

Address: San Francisco, CA (full address TBD)