Privacy Policy

Last updated: February 2026

Your privacy is important to us. This policy explains how KnowTox collects, uses, and protects your information.

1. Information We Collect

Information You Provide

Account information: Email address, name (optional)
Food preferences: Allergies, intolerances, dietary restrictions (vegan, vegetarian, gluten-free, etc.), religious restrictions (halal, kosher), nutritional goals
Health information: Health conditions, pregnancy or breastfeeding status, current medications (for supplement interaction detection)
Physical data (optional): Weight, height, date of birth, sex, activity level (used for personalized nutritional recommendations)
Cosmetic preferences: Skin type, skin conditions, skin concerns, hair type, scalp conditions, ingredient preferences (paraben-free, fragrance-free, etc.)
Supplement preferences: Health goals, preferred supplement forms, allergies specific to supplements
Feedback: Support requests and communications

Information Collected Automatically

Usage data: Products scanned, features used, app interactions
Device information: Device type, operating system, app version
Analytics: Crash reports, performance data

Information We Do NOT Collect

Camera images are processed on-device for barcode detection only
We do not store photos of products or your surroundings
We do not access your contacts, location, or other device data

2. How We Use Your Information

We use collected information to:

Provide and improve the App
Personalize your experience based on your preferences (dietary, cosmetic, supplement)
Provide relevant warnings based on your health profile
Detect potential drug interactions with supplements (if medication information is provided)
Process subscriptions and payments
Send important updates about the App
Analyze usage patterns to improve features
Respond to support requests

3. Data Sharing

We do not sell your personal information. We may share data with:

Service providers: Payment processors, analytics services, cloud hosting
AI service providers: External artificial intelligence services that process product and preference data to generate personalized analysis and recommendations
Legal requirements: When required by law or to protect our rights
Business transfers: In case of merger, acquisition, or sale

We do NOT share your health information, medication data, or personal preferences with third parties for marketing purposes.

4. Data Security

We implement security measures to protect your data:

Encryption in transit and at rest
Secure authentication systems
Regular security audits
Limited employee access to data

5. Your Rights

Depending on your location, you may have the right to:

Access your personal data
Correct inaccurate data
Delete your data
Request a copy of your data
Opt out of certain data processing

To exercise these rights, contact us at support@knowtox.app.

6. Data Retention

We retain your data for as long as your account is active. Upon account deletion:

Personal information is marked for deletion and permanently removed from our active systems within 30 days
Some data may be retained in anonymized form for analytics purposes
Legal obligations may require longer retention of certain records

7. Children's Privacy

KnowTox is not intended for children under 13. We do not knowingly collect data from children under 13.

8. International Data Transfers

Your data may be processed in countries outside your residence. We ensure appropriate safeguards are in place for such transfers.

9. Third-Party Services

The App may contain links to third-party services. This privacy policy does not apply to those services.

10. Health Information Disclaimer

KnowTox collects health-related information solely to personalize your experience and provide relevant product analysis. This information is:

Stored securely and encrypted
Never shared with third parties for marketing
Used only within the App to generate personalized recommendations
Deletable at any time through your account settings

11. Changes to This Policy

We may update this policy periodically. We will notify you of significant changes through the App or email.

12. Contact Us

For privacy-related questions or concerns:

Email: support@knowtox.app
Subject line: "Privacy Inquiry"

13. California Residents

California residents have additional rights under the CCPA, including the right to know what personal information is collected and the right to opt out of data sales (we do not sell data).

14. European Residents

If you are in the European Economic Area, you have rights under GDPR including data access, rectification, erasure, and portability. Our legal basis for processing includes consent and legitimate interests. Health-related data (including allergies, medical conditions, medications, and pregnancy status) is classified as special category data under GDPR Article 9 and is processed based on your explicit consent, which you provide when entering this information in the App.

15. AI and Automated Processing

KnowTox uses artificial intelligence (AI) technology, including external AI service providers, to analyze products and generate personalized recommendations.

How AI processes your data

Your preferences (dietary restrictions, allergies, health conditions, medications) are sent to external AI service providers to generate personalized product analysis
AI generates health alerts, compatibility scores, and recommendations based on your profile
Product ingredient data is analyzed by AI to identify potential concerns relevant to you

Important notes

AI-generated results are informational only and do not constitute medical, nutritional, or dermatological advice
No automated decisions are made that produce legal or similarly significant effects on you
You can modify your preferences at any time to change how AI personalizes your experience
External AI service providers process your data under data processing agreements that require them to protect your information and limit its use