According to paragraphs 8.3 and 8.4 of the Agreement:

8.3. By placing an order, the buyer agrees to the DENAS-NEURODENS.COM online store to process his personal data in order to send information and promote goods on the market, without time limit. This consent may be withdrawn by the Buyer by sending a written notice. In this case, your personal data will be destroyed and their processing will be terminated within 7 business days from the date we receive the notification.
8.4. The Seller undertakes to maintain confidentiality with respect to the Buyer's personal data, as well as other information about the Buyer that became known to the Seller in connection with the execution of this Agreement, except when such information:
is public;
disclosed at the request or with the permission of the Buyer;
requires disclosure on the grounds provided for by law, or upon receipt of relevant requests from the court or authorized state bodies;
disclosed on other grounds provided by the agreement of the Parties.