Last updated [October 15 2025]
This notice explains how Carbon uses cookies and similar technologies on our websites and web portal (including shop.joincarbon.com and web.joincarbon.com). It also explains how you can manage your preferences.
What are cookies?
Cookies are small files placed on your device that help websites remember your actions or preferences. We use both first-party (set by us) and third-party (set by others) cookies.
Why we use cookies
We use cookies for several reasons:
- Essential cookies – Required to make our websites and services work.
- Functional cookies – Help remember user preferences. These improve the experience but aren’t strictly necessary.
- Analytics cookies – Help us understand how visitors use our websites so we can improve them.
- Advertising cookies – Allow us and our partners to show relevant ads and measure performance.
Some cookies are essential. Others are optional and only used with your consent.
Your choices
- You must be the legal age of majority where you live (18+ in most places).
- You must not be on any U.S. sanctions list or reside in an embargoed country.
- The Service is for personal, consumer use only.
We only show a cookie consent banner in regions where it’s required by law (such as the EU, UK, and Brazil). In those regions, you can choose whether to allow optional cookies.
You can always:
- Adjust your preferences via the “Cookie Settings” button or icon (where shown)
- Clear cookies from your browser settings
- Opt out of interest-based ads via YourAdChoices or YourOnlineChoices
Who sets cookies on our sites?
We use trusted third-party services to help us with analytics, marketing, and site performance. These providers may place their own cookies or similar technologies on your device when you use our sites.
A list of the main cookies we use is below.
Cookie list
Name |
Purpose |
Type |
Duration |
Provider |
_fbp |
Stores unique ID for Facebook ads |
Advertising |
3 months |
Meta |
_ga |
Google Analytics visitor ID |
Analytics |
14 months |
Google |
_ga_* |
Google Analytics session ID |
Analytics |
14 months |
Google |
_gid |
Google Analytics short-term ID |
Analytics |
24 hours |
Google |
intercom-id-* |
Identifies user for chat/support |
Functional |
9 months |
Intercom |
intercom-session-* |
Chat session token |
Functional |
1 week |
Intercom |
rewardful_ref |
Tracks referral link |
Essential |
90 days |
Rewardful |
__stripe_mid |
Stripe fraud prevention |
Essential |
1 year |
Stripe |
_shopify_y |
Shopify analytics ID |
Analytics |
1 year |
Shopify |
_landing_page |
Tracks landing page source |
Analytics |
Session |
Shopify |
_gcl_au |
Google Ads click ID |
Advertising |
90 days |
Google |
cf_bm |
Bot management (Cloudflare) |
Essential |
30 minutes |
Cloudflare |
Note: Some cookies may vary slightly depending on your browser, location, or device. We may also update this list as services change.