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MilliporeSigma Cookie Policy



How MilliporeSigma uses cookies on its website:

Cookies are small files of letters and numbers used by web sites to distinguish between different users. This will help us to provide you with the best online experience while you’re browsing on our website and allow us to make improvements. You can adjust your cookie settings using the options at the bottom of this page.

There are different types of cookies:

First party cookies Cookies that are set by the website you are visiting and they can only be read by that site.
Third party cookies Cookies that are set by a different organisation to the owner of the website you are visiting. E.g., the website might use a 3rd party analytics company who will set their own cookie to perform this service. Or, a website might use a 3rd party advertising network to deliver targeted advertising on their website. These may also have the capability to track your browsing across different sites.
Session cookies Those are stored only temporarily during a browsing session and are deleted from the user‘s device when the browser is closed.
Persistent cookies Those are saved on your computer for a fixed period (usually one year or longer) and is not deleted when the browser is closed. Persistent cookies are used where we need to know who you are for more than one browsing session, e.g. for storing your country preferences, so that they are remembered for the next visit.
Flash cookies If you have Adobe Flash installed on your computer (most computers do), small files may be stored on your computer by websites that contain Flash media, such as video clips. These files are known as Local Shared Objects (LSOs) or Flash cookies. They can be used for the same purposes as regular cookies (properly called HTTP cookies). When you delete cookies using your browser controls, your Flash cookies are not affected.


Essential cookies, which are needed to ensure that the operation of the website is going smoothly and provide you with all the necessary functions (e.g. remembering what you put in your shopping cart) are allowed by law, while there are other cookies that require your consent.

The necessary cookies are the following:

Cookie name Purpose Cookie type
CookieAcceptance This cookie is used to remember the user's preference from the cookie acceptance options to stop us asking them each visit. First party / persistent cookie
sid Session tracking cookie: the session ID identifies a user and stores the application servers to use for the session. Cookie allows the user to move from page to page without having to log-in repeatedly. First party / session cookie
Userid User tracking cookie. First party / session cookie
AuthenticationStateToken This is a secure cookie to prevent that session IDs from users currently logged on are abused by unauthorized clients. First party / session cookie
pgid This cookie stores a hash code representing the set of user groups to which you belong. First party / session cookie
e_c_l This cookie stores the “opt in” / “opt out” choice of a user, so the analytics library is able to respect user privacy settings. It is a persistent cookie with 2 years lifetime. First party / persistent cookie


Functionality cookies record information about choices you have made and allow us to tailor the website for you.

The functionality cookies are the following:

Cookie name Purpose Cookie type
SelectedCountry This cookie is used to remember the user's specific country selection from the country selector. First party / persistent cookie
PreferredChannel This cookie goes with the selected country and stores the site which the user visited based on their country selection. First party / persistent cookie
PreferredLocale This cookie is used is used to remember the user's language choice. First party / persistent cookie
TokenDomain This cookie is used is used to remember the user's Brand Defence option (MM or EMD). First party / persistent cookie


Then there are also the analytical cookies, which we use for internal purposes to better understand our visitors and how our website is used. This can help us immensely to make constant improvements and present you with the best user experience we can provide.

The analytical cookies are assembled in the following list below:

Cookie name Purpose Cookie type
s_vi Stores an anonymous visitor id to identify returning users. If accepted it is a persistent cookie with 2 years lifetime. First party / persistent cookie
s_pers Stores persistent analytic information, handled by the Adobe Analytics core library. If accepted it is a persistent cookie with 2 years lifetime. First party / persistent cookie
s_sess Stores temporary analytic information, handled by the Adobe Analytics core library. It is a session cookie and will be deleted after closing the browser. First party / session cookie
e_c_s Stores custom analytic information, handled by the Analytics custom extension library. It is a session cookie and will be deleted after closing the browser. First party / session cookie


If you decide that you don‘t want to receive any cookies, besides the absolutely necessary ones, we ask you to opt-out below. In order to remember your choice for your next visit with the same browser we need to set a cookie for this, once you have made your choice.

We make every effort to respect your choice and provide you with the best possible service, however, we want to make you aware of the possibility that not all cookies will be captured. If this is a concern please change your cookie settings within your browser.

If you want to learn more about cookies please visit: AboutCookies.org.