Privacy policy
Last updated: December 15, 2025
Your privacy is important to us. This Privacy Policy (“Policy”) explains how UAB Prolong Lab, located in Lithuania and operating Hello100.com (“we,” “our,” or “us”), collects, uses, shares, and protects your personal information when you use our website https://hello100.com (the “Site”) and related services.
This Policy is governed by our Terms and Conditions.
1. Information We Collect
Information You Provide:
- Account Data: Email address, password, and any preferences saved in your account.
- Order Information: Name, billing and shipping addresses, order history.
- Communications: Messages you send us via chat, contact forms, or email.
- Marketing Preferences: Your subscription status to newsletters or SMS updates.
- Mobile Numbers: When provided for SMS marketing (see section 10).
Automatically Collected:
- Device and Technical Data: IP address, browser type, operating system, time zone, and device information.
- Usage Data: Site interactions, pages visited, referring URLs.
- Cookies and Tracking: We use Shopify's built-in cookie banner to manage cookie preferences. Essential cookies are used for site functionality; optional cookies for analytics and advertising may be used with your consent.
2. How We Use Your Information
We use your information to:
- Fulfill orders and deliver products (contractual necessity)
- Provide customer support and manage your account (contractual necessity)
- Communicate order updates or security notices (legal obligation)
- Respond to inquiries or requests (legitimate interest)
- Improve website functionality and optimize user experience (legitimate interest)
- Send marketing emails or SMS if you have opted in (consent)
You may withdraw your consent or update preferences at any time by:
- Unsubscribing via links in emails or texts
- Contacting us at: healthy@hello100.com
3. Marketing and Behavioral Advertising
We may use Meta (Facebook), Google, Microsoft Ads, and similar platforms to show relevant ads, including retargeting campaigns based on your browsing or purchase behavior (known as cross-context behavioral advertising).
These platforms may use cookies or device data to personalize your experience. You can manage these preferences through the platforms themselves or your browser settings. If required by law, we will request your consent for personalized advertising.
4. How We Share Your Data
We only share your personal information with:
- Trusted service providers: including Shopify (hosting), Stripe, PayPal, Shopify Payments (payment), Klaviyo (email), Postscript or similar (SMS), and analytics providers like Google Analytics.
- Advertising partners: to show relevant ads, subject to your ad settings and local regulations.
- Legal purposes: if required by law, court order, or to protect our rights.
- Business transfers: in case of a merger, acquisition, or asset sale.
All third parties are bound by data protection and confidentiality obligations.
5. International Data Transfers
Some partners (like Shopify and Google) may store or process your data outside the EEA or UK. We rely on:
- Standard Contractual Clauses approved by the European Commission
- Adequacy decisions, where applicable
For details, contact us at healthy@hello100.com
6. Your Rights (GDPR & CPRA/CCPA)
Depending on where you live, you may have the right to:
- Access the personal data we hold about you
- Correct or delete your information
- Restrict or object to certain types of processing
- Withdraw consent at any time
- Opt out of marketing or targeted advertising
- Request data portability (EU/UK)
- Lodge a complaint with a supervisory authority
To make any of these requests, email us at: healthy@hello100.com
7. Retention
We only retain your personal data for as long as necessary:
- Account and order data: Up to 6 years (for legal and tax compliance)
- Communication data: Up to 24 months
- Marketing preferences: Until you withdraw consent
When no longer needed, data is securely deleted or anonymized.
8. Minors
Our Site is not intended for children under 16. We do not knowingly collect data from minors. If we become aware of such data, we will delete it.
9. Sensitive Data
Please do not submit sensitive personal information (e.g., health or religious data). If submitted, we will delete it immediately.
10. SMS / MMS Text Message Marketing Privacy Policy
If you opt into our SMS marketing program, we will use your mobile number only to send messages and respond to you. This may include:
- Promotional messages
- Order confirmations
- Customer service follow-ups
We do not sell, rent, or transfer your phone number to third parties for profit. Your number may be shared with carriers and technical providers as needed to deliver messages.
You may opt out at any time by replying STOP to a message or contacting healthy@hello100.com.
For California residents and EU citizens: You may request more information about how your data is used under CCPA and GDPR.
11. Payment Processing
We never store your credit card or banking details. All transactions are securely processed via:
- Shopify Payments
- Stripe
- PayPal
Each processor has its own privacy policy.
12. Hosting and Third-Party Platforms
This Site is hosted on Shopify. Your data may be shared with Shopify and its affiliates as part of the checkout, account, and order experience. You can read the Shopify Privacy Policy here.
13. Security
While no online platform is 100% secure, we implement industry-standard measures to protect your data. You are responsible for maintaining the confidentiality of your login credentials.
14. Changes to This Policy
We may update this Privacy Policy from time to time. Significant changes will be announced via email or on our website. The most current version will always be available on this page.
15. Contact
If you have any questions, please contact:
UAB Prolong Lab
Dominikonų g. 11, Vilnius, 01131, LT.
Email: healthy@hello100.com