Privacy policy

**Last updated: September 17, 2026**

BY DERNER respects your privacy.

This Privacy Policy explains how BY DERNER collects, uses, shares, and protects personal information when you visit **byderner.com**, communicate with us, or place an order.

### Business Operator

**Rosvita Angela Derner / BY DERNER**

Rua Pioneiro José Tel, 1124
Jardim Guaporé
Maringá - PR
Brazil

Email: **info@byderner.com**
Phone: **+1 (305) 427-5626**

### Information We Collect

We may collect:

- name
- email address
- phone number
- billing address
- shipping address
- order information
- customer-service communications
- marketing preferences

We and our service providers may also collect:

- IP address
- browser information
- device information
- pages visited
- referring URLs
- website interactions
- cookie identifiers
- analytics events
- advertising attribution events
- approximate location derived from technical information

### How We Use Information

We may use personal information to:

- process orders
- process payments
- fulfill and deliver orders
- provide customer support
- send transactional communications
- prevent fraud
- maintain records
- comply with legal obligations
- improve the website
- perform analytics
- measure marketing performance
- personalize advertising where permitted
- send marketing communications where permitted

### Service Providers

We may share information with service providers that support:

- Shopify ecommerce infrastructure
- payment processing
- shipping and fulfillment
- fraud prevention
- customer support
- email
- analytics
- advertising
- website performance
- security

Depending on services enabled, these providers may include:

- Shopify
- Google
- Meta
- Microsoft
- payment processors
- shipping providers
- fulfillment partners

### Cookies and Advertising Technologies

We use cookies and similar technologies for:

- website functionality
- cart and checkout
- security
- analytics
- advertising
- attribution

### Sale or Sharing of Personal Information

BY DERNER does not sell personal information for monetary payment.

Certain U.S. privacy laws may classify some advertising disclosures as a sale or sharing even when no money is exchanged.

Where applicable, eligible users may exercise legally required opt-out rights.

### U.S. Privacy Rights

Depending on applicable law and relevant thresholds, users may have rights involving:

- access
- correction
- deletion
- portability
- opting out of certain targeted advertising or data sharing