1. Responsible for the treatment
Grupo Sullvensa S.A. de C.V.
Campana Independencia 1, Residencial El Campanario
San Andrés Cholula, Puebla, Pue.
2. Personal data we collect
| Category |
Examples |
When We Collect It |
| Identification |
First and last name, tax ID (RFC) |
When you create an account or request an invoice |
| Contact |
E-mail address, phone number, shipping address |
When you place an order or subscribe to the newsletter |
| Payment |
Last 4 digits and encrypted token of card, amount |
Processed by Stripe when you complete payment |
| Site Usage |
IP address, browser type, pages visited, time on site |
Via cookies and analytics tools |
| Marketing Preferences |
Opt-in / Opt-out for promotional e-mails |
When you check or uncheck consent boxes |
🔒 Full bank details are not stored on our servers; they are managed directly on the certified gateway Stripe (PCI-DSS).
3. Purposes of the treatment
- Process and deliver your order of Quantum K4.
- Issue billing and comply with tax obligations.
- Manage your account and after-sales care.
- Send transactional communications (confirmations, shipping status).
- Offer content and promotions if you grant your express consent.
- Improve the site through statistical analysis and A/B testing.
- Preventing fraud and comply with applicable legal provisions.
4. Legal basis
- Federal Law on the Protection of Personal Data Held by Individuals (Mexico).
- General Data Protection Regulation (GDPR) — applicable to users in the European Union.
The treatment is based on (i) the execution of a contract, (ii) your express consent or (iii) our legitimate interest in the security and improvement of the service.
5. Transfers and third parties
| Recipient / Processor |
Purpose |
Location |
| Stripe, Inc. |
Payment processing and fraud prevention |
United States
(Standard Contractual Clauses / GDPR) |
| Shipping carriers (DHL, Estafeta, etc.) |
Order fulfilment and delivery |
Mexico / International |
| Google Analytics & Tag Manager |
Site usage metrics and optimisation |
United States |
| Mailchimp |
Newsletter and promotional e-mail delivery |
United States |
| Web hosting provider |
Platform hosting and security |
European Union / ISO 27001 |
🔒 We never sell your data. All transfers are made under confidentiality agreements and equivalent guarantees.
6. Cookies and similar technologies
We use essential cookies for cart and session management, analytics cookies to measure traffic, and—subject to your consent—marketing cookies for personalized advertising.
You can manage or delete cookies in your browser settings. For details, see our Cookie Notice.
7. ARCO and additional rights
You have the right to Access, Rectification, Cancellation and Opposition (ARCO), as well as to Data Portability And Limitation of treatment where appropriate.
Send your request to privacy@quantumk4.com with:
- Full name and a contact method.
- Documents that prove your identity or legal representation.
- Clear description of the right you wish to exercise.
We will reply within 20 business days under Mexican law (30 days under GDPR).
8. Information Security
- Full-site SSL/TLS encryption.
- Servers housed in ISO 27001-certified data centres.
- Internal access restricted through multi-factor authentication (MFA).
9. Data Retention
- Purchase details: 5 years for tax obligations.
- Account and preferences: as long as you keep your account active.
- Consented marketing: until you withdraw consent.
- Cookie logs: 13 months (analytics), 90 days (advertising)
10. Minors
The site is not intended for children under 18 years of age. If we detect data from a child without parental consent, we will delete it immediately.
11. Changes to this policy
We may update this notice to reflect service improvements or regulatory changes. The revised version will be posted with its effective date. Continued use of the site constitutes acceptance of the current policy.
12. Contact and competent authority
Questions about privacy? E-mail us at privacy@quantumk4.com.
If you believe your data-protection rights have been violated, you may lodge a complaint with INAI (www.inai.org.mx) or, in the EU, with your local supervisory authority.
Your trust is essential. At Quantum K4, we treat your data with responsibility and transparency so that you can enjoy your wellness experience in total security.
