Use and Cookies Policy

Use and Cookies Policy



This document regulates the Conditions of Use of the website and Purchasing Policy of online stores ,, represented by the company Mariana Carvalhais Gonçalves Unipessoal Lda, NIPC 515067423. The use of this website is still subject to the acceptance of the TERMS OF USE POLICY and COOKIES and PURCHASING POLICY, as well as the Privacy and Personal Data Protection Policy, and the user must reread the respective terms in each new use, in order to check if you agree with it. If you do not agree with all the conditions and policies defined, you should not use this website. These conditions may change at any time, so it is your responsibility to read them periodically.




This website must be used exclusively for your personal use. Modification, reproduction, duplication, copying, distribution, sale, resale and other forms of exploitation, whether for commercial purposes or not, are prohibited. You also undertake not to use this website for illegal or prohibited purposes.




Mariana Gonçalves Unipessoal Lda is committed to protecting the security of your personal data. We use a variety of security technologies and procedures to help protect your personal data from unauthorized access, use or disclosure.




When we ask customers for their name, address, telephone number, educational qualifications, among others, we aim to maintain a closer relationship with our users. With your registration, we will treat you by your first name, we will be closer to you and we can respond to your needs or requests more effectively.

A Mariana Gonçalves Unipessoal Lda guarantees that this information WILL NOT be used in any list for promotional purposes via email or telephone, without your prior authorization, nor will it be disclosed at any time to any other organization or company.

Cancellations, exchanges and returns

Applicable for purchases made on the page

The Customer may cancel his order at any time until the shipment of the same, with the right to a refund of all amounts paid deducted from process costs if any (maximum value € 1,50). Upon receipt of the order by the Customer, the Customer will be able to exercise his right of free resolution under the terms legally provided and indicated below.

Failure to pay the order within:
- 3 (three) days via bank transfer;
- 3 (three) days via ATM references;
- 3 (three) days for other means of payment;
subsequent to the date it was carried out implies its automatic cancellation.

All promotional campaigns have limited stock. In case of unavailability of the product and / or out of stock, you will be informed of the partial or total cancellation of your order with the right to a refund of the respective amount paid.

Despite the efforts of our company Mariana Carvalhais Gonçalves Unipessoal Lda represented here by the brand O Teu Cabelo., Some products may have an incorrect price, so we check prices whenever we process orders. If the price of the product is lower than the advertised price, we will refund the difference. If the price is higher, the company Mariana Carvalhais Gonçalves Unipessoal Lda. will present a new contractual proposal with the price duly rectified, waiting for confirmation or cancellation of the order. Under the terms of Law 7/2004 of 7 January, on electronic commerce, Mariana Carvalhais Gonçalves Unipessoal Lda. reserves the right to unilaterally cancel the order whenever there is a programming error, malfunction of the computers. or if the contractual proposal arrives distorted at its destination and the error concerns an essential element of the contract.

To make the return, the product must be in perfect condition, in its original packaging and with the manuals, accessories or promotional offers included in your case and accompanied by proof of purchase or invoice within a maximum period of 14 days.

Returning products will not be accepted after use, or if it has been altered or modified.

OTeu here representing  Mariana Carvalhais Gonçalves Unipessoal Lda. is not responsible for deficiencies resulting from incorrect use, negligence, falls or causes of force majeure, nor for components subject to wear and tear due to normal use of the product.

Personal hygiene products, beauty articles, cosmetics and hair accessories do not allow returns unless they are defective or have been sent incorrectly.

If the order has already been shipped, in case of cancellation, the value of the shipping costs will be deducted from the amount paid and to be returned. Shipping costs will always be deducted even if you have benefited from "free shipping".


When you use this website and place orders through it, you agree to:

i. Use this website only for research and legal orders.

ii. Do not place false or fraudulent orders. If we consider that such a request has been made, we will authorize its cancellation and inform the competent authorities.

iii. Provide us with your email address, postal address and / or other true and accurate contact details. If you do not provide us with all the information we need, you will not be able to place your order. When placing an order or purchase order on this website, you declare that you are over 18 years old and are legally eligible to do so.



You acknowledge and agree that:

i. The Internet is a worldwide network of computers and any information sent or transmitted by you will necessarily be forwarded by third party computers;

ii. We are not responsible for failures in the security of communications and assume no responsibility for the misuse of your information by third parties.

iii. We will not be responsible for the content of the information sent or transmitted to our website, due to security breaches;

iv. You acknowledge that the access and use of our website may be interrupted and that the information on the website may contain errors, technical failures, problems or other limitations and that access may be impossible at certain times. THE Mariana Gonçalves Unipessoal Lda is not responsible for any damages caused or losses resulting from your access through the use of the website or inability to access it;

v. The ordering of products must be made by users of the age of majority, that is, aged 18 or over, so individuals under the age of 18 must have the authorization of their representatives;

saw. In the maximum terms permitted by law, we exclude any liability, direct or indirect, for the use of the website.





In order to provide a better service to the user, we use cookies, that is, small text files that are placed on the hard drive by a web page server. All sites that ask the user for their password and name to enter, or that can be personalized, require that cookies be accepted in order to have access to all available features.

In any case, you can limit or restrict the admission of cookies through your browser options.



Cookies are used to improve our service. Some of the cookies are essential to guarantee the functionalities provided, while others are designed to improve performance and the user experience.


Essential, cookies are designed to:

  • remember what you add to the cart
  • remember your order progress


Functional cookies are designed to:

  • remember your account data
  • ensure that your connection is secure
  • ensure that the website is shown consistently
  • support via chat


Performance cookies are designed to:

  • improve website performance by reducing the number of page loads you visit
  • improve the user experience


Targeting cookies are intended to:

  • allow you to share and like on social networks
  • send information to other websites to personalize the advertising shown.

If you do not allow the website to use cookies, some pages and features will not work as expected.



Pursuant to Law 144/2015, of 8 September, we inform that in the event of a dispute the consumer may have recourse to an Alternative Resolution Entity for consumer disputes:

Lisbon Consumer Conflict Arbitration Center

Contracts signed in the Lisbon Metropolitan Area: Lisbon, Alcochete, Almada, Amadora, Azambuja, Barreiro, Cascais, Loures, Mafra, Moita, Montijo, Odivelas, Oeiras, Palmela, Seixal, Sesimbra, Setúbal, Sintra and Vila Franca de Xira.


Rua dos Douradores, 116, 2º - 1100-207 LISBON

Tel: +351 218 807 030 / Fax: +351 218 807 038

E-mail: |


More information on Consumer Portal