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General terms and conditions of sale


Last updated: 16/02/2023


The following text has been translated by a machine from its original French version to English for your convenience without any warranty of correctness. Please understand that, Institut Calysta being a French company, ONLY the FRENCH version has legal value. Do not hesitate to contact us before any order in case of questions with regards to our General terms and conditions of sale.


These conditions of sale are concluded on the one hand by Institut Calysta EURL with a share capital of €1000 whose registered office is located at 4 rue de l'Artisanat, 68730 Blotzheim (France), registered in the Mulhouse (France) Trade and Companies Register under number 823011085 hereinafter referred to as "Institut Calysta" and managing the site "www.institutcalysta.com" and, on the other hand, by any natural or legal person wishing to make a purchase via the website www.institutcalysta.com hereinafter referred to as "the buyer".

Article 1. Object

These terms and conditions of sale are intended to define the contractual relationship between Institut Calysta and the buyer and the conditions applicable to any purchase made through the website "www.institutcalysta.com". The acquisition of a product through this site implies an unreserved acceptance by the buyer of these terms and conditions of sale, which the buyer acknowledges having read prior to his order. Before any transaction, the buyer declares on the one hand that the purchase of products on the website www.institutcalysta.com is not directly related to his professional activity and is limited to a strictly personal use and on the other hand have full legal capacity, allowing him to commit himself under these general conditions of sale.

The company "Institut Calysta" retains the right to modify these terms and conditions of sale at any time, in order to comply with any new regulations or in order to improve the use of its site. As a result, the applicable conditions will be those in force at the date of the order by the buyer.

Article 2. Products

The products offered are those listed on the website "www.institutcalysta.com" of the company "Institut Calysta", within the limits of available stocks. The company "Institut Calysta" reserves the right to modify the product range at any time. Each product is presented on the website in the form of a description containing its main technical characteristics (capacity, use, composition). The photographs are as accurate as possible but do not bind the Seller in any way. The sale of the products presented on the website "www.institutcalysta.com" is intended for all buyers residing in countries that fully allow the entry into their territory of these products.

Article 3. Tariffs

The prices appearing on the product sheets of the internet catalogue are prices in Euros (€) all taxes included (TTC) taking into account the VAT applicable on the day of the order. Any change in the VAT rate may be reflected in the price of the products. The company "Institut Calysta" reserves the right to modify its prices at any time, it being understood, however, that the price appearing in the catalogue on the day of the order will be the only one applicable to the buyer. The prices indicated do not include delivery costs, invoiced in addition to the price of the products purchased according to the total amount of the order.

Article 4. Order and payment terms and conditions

Before any order, the buyer must create an account on the site "www.institutcalysta.com". The account creation section is accessible directly from the menu bar. At each visit, the buyer, if he wishes to order or consult his account (order status, profile...), must identify himself using this information. The company "Institut Calysta" offers the buyer the possibility to order and pay for his products in several steps, with 3 payment options to choose from:

Payment by French cheque: the buyer selects the products he wishes to order in the "basket", modifies if necessary (quantities, references...), checks the delivery address or enters a new one. Then, the shipping costs are calculated and submitted to the buyer, as well as the name of the carrier. Then, the buyer chooses the payment method of his choice: "Payment by cheque". Finally, the last step proposes to check all the information, read and accept these general terms and conditions of sale by checking the corresponding box, then invites him to validate his order by clicking on the button "Validate my order". This last click forms the final conclusion of the contract. Upon validation, the buyer receives an order form confirming the recording of his order. In order to finalize his payment and initiate the processing of his order, the buyer must print this order form, accompanied by his check made out to "Institut Calysta" at the following address: 4 rue de l'Artisanat, 68730 Blotzheim (France). No cash payments should be sent. Only cheques issued by a French bank will be accepted. As soon as the cheque is received, the order will be processed and the buyer will be informed by email. The company "Institut Calysta" will ship the products at the earliest 2 working days after cashing the cheque corresponding to the order, subject to provisions.

Payment by bank transfer: the buyer selects the products he wishes to order in the "basket", modifies if necessary (quantities, references...), checks the delivery address or enters a new one. Then, the shipping costs are calculated and submitted to the buyer, as well as the name of the carrier. Then, the buyer chooses the payment method of his choice: "Payment by bank transfer". Finally, the last step proposes to check all the information, read and accept these general terms and conditions of sale by checking the corresponding box, then invites him to validate his order by clicking on the button "Validate my order". This last click forms the final conclusion of the contract. Upon validation, the buyer receives an order form confirming the recording of his order. In order to finalize his payment and initiate the processing of his order, the buyer must contact his bank in order to make the transfer corresponding to the amount of his order to the bank account "Institut Calysta", whose details are communicated to the buyer. Upon receipt of the transfer, the order will be processed and the buyer will be informed by e-mail. The company "Institut Calysta" will ship the products at the earliest 2 working days after receipt of the transfer corresponding to the order, subject to provisions.

Secure payment by credit card (via the STRIPE system): the buyer selects the products he wishes to order in the "basket", modifies if necessary (quantities, references...), checks the delivery address or enters a new one. Then, the shipping costs are calculated and submitted to the buyer, as well as the name of the carrier. Then, the buyer chooses the payment method of his choice: "Payment by credit card (STRIPE)". The next step is to check all the information, read and accept these general terms and conditions of sale by ticking the corresponding box, then invite him to validate his order by clicking on the button "Validate my order". Finally, the buyer is redirected to the secure interface of the STRIPE payment system in order to safely enter his personal credit card details. If payment is accepted, the order is recorded and the contract is definitively formed. Payment by credit card is irrevocable. In the event of fraudulent use of the card, the buyer may demand the cancellation of the payment by card, the sums paid will then be credited back or refunded. The holder of a credit card is not liable if the disputed payment has been proven to have been made fraudulently, remotely, without physical use of his card. To obtain reimbursement of the fraudulent debit and any bank charges that may have been incurred as a result of the transaction, the cardholder must contest, in writing, the debit from his bank within 70 days of the transaction, or 120 days if the contract binding him to it so provides. The amounts deducted shall be reimbursed by the bank within a maximum period of one month after receipt of the written objection lodged by the holder. No costs of returning the sums may be charged to the holder.

Secure payment by Paypal or credit card (via the PAYPAL system): the buyer selects the products he wishes to order in the "basket", modifies if necessary (quantities, references...), checks the delivery address or enters a new one. Then, the shipping costs are calculated and submitted to the buyer, as well as the name of the carrier. Then, the buyer chooses the payment method of his choice: "Payment by Paypal". The next step is to check all the information, read and accept these general terms and conditions of sale by ticking the corresponding box, then invite him to validate his order by clicking on the button "Confirm my order". Finally, the buyer is redirected to the secure PAYPAL interface to securely enter his Paypal account or personal credit card details. If payment is accepted, the order is recorded and the contract is definitively formed. Payment by Paypal account or credit card is irrevocable. In the event of fraudulent use of the card, the buyer may demand the cancellation of the payment by card, the sums paid will then be credited back or refunded. The holder of a credit card is not liable if the disputed payment has been proven to have been made fraudulently, remotely, without physical use of his card. To obtain reimbursement of the fraudulent debit and any bank charges that may have been incurred as a result of the transaction, the cardholder must contest, in writing, the debit from his bank within 70 days of the transaction, or 120 days if the contract binding him to it so provides. The amounts deducted shall be reimbursed by the bank within a maximum period of one month after receipt of the written objection lodged by the holder. No costs of returning the sums may be charged to the holder.

The confirmation of an order implies acceptance of these terms and conditions of sale, recognition of having full knowledge of them and waiver of the right to invoke one's own terms and conditions of purchase. All the data provided and the recorded confirmation will be worth proof of the transaction. If the buyer has an e-mail address and has provided it on his order form, the company "Institut Calysta" will send him by e-mail the confirmation of the registration of his order.

If the buyer wishes to contact the company "Institut Calysta", he can do so either by mail to the following address: Institut Calysta, 4 rue de l'Artisanat, 68730 Blotzheim (France); either by email to the following address: This email address is being protected from spambots. You need JavaScript enabled to view it., or by phone to +33.6.49.66.66.64.32.

Article 5. Agreement on the use of the Trusted Shops Buyer Protection

With the Buyer Protection of Trusted Shops AG, you can secure your orders in our online store up to a value of 2,500 euros free of charge. The terms and conditions for the use of Trusted Shops services apply and are available here.

The conclusion of the Buyer Protection is done by clicking on the corresponding button of the Trustcard, which appears as a pop-up on the Thank You page after placing an order. If you are already registered for Buyer Protection, your order will be automatically secured (automatic Buyer Protection) without you having to click on the button. To be able to offer you (automatic) Buyer Protection, the Trustcard needs to have access to the order data that is stored in the buffer of your browser. For this purpose a hash value of your e-mail address as well as the order number and the order amount are transmitted to Trusted Shops. If you are already registered for Buyer Protection, your order is automatically secured. If you are not yet registered for Buyer Protection, you can register via the Trustcard as described above. Information about data protection at Trusted Shops is attached to the Terms of Use of the Trusted Shops services linked above.

Article 6. Retention of ownership

Institut Calysta retains full and complete ownership of the products sold until full payment of the price, in principal, fees and taxes included.

Article 7. Withdrawal

Under Article L121-20 of the Consumer Code, the buyer has a period of fourteen working days from the delivery of their order to exercise his right of withdrawal and thus return the product to the seller for exchange or refund without penalty, with the exception of return costs.

To exercise the right of withdrawal, the Buyer must notify the company "Institut Calysta" of his/her decision to withdraw from the present contract by means of an unambiguous statement (e.g. letter sent by post, fax or e-mail) by post to the address Institut Calysta, 4 rue de l’Artisanat, 68730 Blotzheim (France). By telephone to +33.6.49.66.64.32 or by email to the address This email address is being protected from spambots. You need JavaScript enabled to view it..

In order for the withdrawal period to be observed, it is sufficient for the purchaser to transmit his communication concerning the exercise of the right of withdrawal before the expiration of the withdrawal period.

Article 8. Shipping & Returns

Deliveries are made to the address indicated on the order form, which can only be made in the agreed geographical area. Orders are placed by La Poste via COLISSIMO, delivery service with tracking, delivery without signature. Delivery times are given only as an indication; if they exceed thirty days from the order, the sales contract may be terminated and the buyer reimbursed. The company "Institut Calysta" may provide the buyer by e-mail with the tracking number of his package. The buyer is delivered to his home by his postman. In the event of the buyer's absence, he will receive a notice of passage from his factor, which allows him to collect the products ordered at the nearest post office, for a period of time indicated by the postal services. The transfer of the risks of deterioration or loss of the goods will take place at the reception of the delivered goods. The buyer is required to check in the presence of the La Poste employee or the delivery person, the condition of the packaging of the goods and its contents upon delivery. In the event of damage during transport, any protest must be made to the carrier within three days of delivery.

Article 9. Guarantee

All products supplied by the company "Institut Calysta" benefit from the legal guarantee provided by articles 1641 and following of the Civil Code. In the event of non-conformity of a product sold, it may be returned to the company "Institut Calysta" which will take it back, exchange it or refund it. All complaints, requests for exchanges or refunds must be made by post to the following address: Calysta Institute, 4 rue de l'Artisanat, 68730 Blotzheim, within thirty days of delivery.

Article 10. Responsibility

The company "Institut Calysta" in the distance selling process is only bound by an obligation of means. Its liability cannot be held liable for any damage resulting from the use of the Internet network such as loss of data, intrusion, viruses, service disruption, or other unintentional problems.

Article 11. Intellectual Property

All the elements of the site "www.institutcalysta.com" are and remain the intellectual and exclusive property of the company "Institut Calysta". No one is authorized to reproduce, exploit, or use for any purpose whatsoever, even partially, elements of the site whether in the form of a photo, logo, visual or text.

Article 12. Personal data

The company "Institut Calysta" undertakes to preserve the confidentiality of the information provided by the buyer, which it may transmit for the use of certain services. Any information concerning him is subject to the provisions of Law No. 78-17 of 6 January 1978. As such, the Internet user has the right to access, modify and delete information concerning him/her. He can make a request at any time by mail to the following address: Institut Calysta, 4 rue de l'Artisanat, FR-68730 Blotzheim.

Article 13. Dispute resolution

These distance selling conditions are subject to French law. For all disputes or litigation, the competent court will be that of Mulhouse.

Institut Calysta

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