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How we use cookies.

We use a small number of cookies for things you would expect a research catalog to do: remember that you have confirmed eligibility, and keep your shopping bag tied to your browser. We do not run third-party analytics, ad networks, or social pixels on this site.

Last updated · 2026-05-23

Section 01

Why we use cookies

When you confirm you are 21 or older and agree to our terms, we save that decision so we don't ask again every time you load a page in the same browser session.

When you add a vial to your bag, we save a reference to the bag so you can navigate the catalog without losing it.

Both are essential to the basic functioning of the site. We do not use cookies to track you, profile you, or build advertising audiences.

Section 02

What we set today

We set exactly two cookies. Both are first-party, HTTPS-only on production, and marked SameSite=Lax.

  • pep_age_ok — set after you confirm you are 21+ and agree to the terms. Stored as a session cookie that your browser deletes when you close it. Removing this cookie causes the age-verification modal to re-appear.
  • pep_cart_id — set when you add the first item to your bag. Valid for 30 days. Removing this cookie resets your shopping bag.

Section 03

Third parties

None. We do not embed third-party scripts, share cookies with external services, or use analytics products that drop their own cookies on this site.

Section 04

Disabling or removing cookies

Every major browser lets you block all cookies, block third-party cookies, or remove cookies that have already been set. The exact menus differ — search your browser's help for "manage cookies".

If you block the consent cookie, you will see the age-verification modal on every page load. If you block the cart cookie, your bag will reset on every page load.

Section 05

Changes to this policy

We update this page when we add, remove, or change a cookie. The "Last updated" date at the top reflects the most recent revision.

For research use only

Every product on this site is supplied for laboratory and research use only. Not for diagnostic, therapeutic, or recreational purposes. No medical claims are made or implied.