What are cookies?
Cookies are small files that are downloaded to your computer to improve your experience on the website.
There are millions of different types of cookies, which can be organized into various groups based on the function they perform. We have for example:
Necessary/mandatory cookies: These are absolutely necessary cookies for the website to work. These cookies do not collect any information that could be related to you. Their storage only lasts for the duration of the session on our website. As no data collection takes place, we may use these cookies without your consent;
Original cookies: These are those that are not entirely necessary for the functioning of our website. However, they cause a great improvement in the functioning of the website. These cookies allow the settings chosen by you, such as the language selection, for example, to be saved and you do not need to keep changing the language with each new access;
Performance Cookies: These cookies store information about how you use our website, such as which page you visit most often, or whether all messages relating to the information you need actually appear to you. No other information is stored. The goal is to increase ease of use. As the information is only stored in anonymous form, there is no risk to you;
Third-party (analytical) cookies: These are cookies from other companies that may store information about you as a user to identify you when you visit our website, or to improve website performance and analyze for statistical purposes. These cookies can be disabled by you, but the complete experience that our website provides may be reduced;
Advertising/Marketing Cookies: These are used to present you with relevant advertising content tailored to your preferences. They are also used to determine how often an ad appears and the effectiveness of an ad campaign. These cookies can be disabled by you, but the complete experience that our website provides may be reduced.
Below we describe what types of cookies we use and what information we collect in the use of these cookies.
We will also explain to you how we use this information and why we sometimes need to store these cookies.
It is important to make clear that some cookies, as stated above, are part of the functioning of the website, so they are mandatory, however, you can prevent other cookies from being used, however, this may impair certain elements of the functionality of the website.
Cookies that ÁGUAS NEGRAS uses: 
Account Related Cookies
Login related cookies
Cookies related to email newsletters
This site offers newsletter or email subscription services and cookies can be used to remind you if you are already registered and if you should show certain notifications valid only for registered/non-subscribed users;
Orders processing related cookies
This website offers e-commerce or payment facilities and some cookies are essential to ensure that your order is remembered between pages so that we can process it properly;
When you submit data through a form such as those found on contact pages or feedback forms, cookies may be set to remember the user's details for future correspondence;
Site Preferences Cookies
To provide you with a great experience on this site, we provide the functionality to set your preferences for how this site runs when you use it. To remember your preferences, we need to set cookies so that this information can be called whenever you interact with a page that is affected by your preferences;
2. Third Party Cookies  [MM3]
This website uses Google Analytics, which is one of the most widespread and trusted analytics solutions on the web, to help us understand how you use the website and how we can improve your experience. These cookies may track items such as how much time you spend on the site and which pages you visit, so that we can continue to produce compelling content.
For more information about Google Analytics cookies, see the official Google Analytics page.
Third-party analytics are used to track and measure usage of this site so that we can continue to produce compelling content. These cookies may track items such as how much time you spend on the website or which pages you visit, which helps us understand how we can improve the website for you.
We periodically test new features and make subtle changes to the way the site looks. When we're still testing new features, these cookies can be used to ensure that you receive a consistent experience while on the site, while we understand which optimizations our users appreciate most.
As we sell products, it's important that we understand statistics about how many visitors to our site actually buy, and therefore this is the type of data these cookies will track. This is important to you as it means we can accurately make business predictions that allow us to analyze our advertising and product costs to ensure the best possible price.
You can prevent the setting of cookies by adjusting your browser settings (see your browser's Help to learn how to do this). Please be aware that disabling cookies will affect the functionality of this and many other websites you visit. Disabling cookies will generally result in the disabling of certain functionality and features of this website. Therefore, it is recommended that you do not disable cookies.
We hope you've cleared up your doubts and, as mentioned earlier, if there's something you're not sure you need or not, it's generally safer to leave cookies enabled.