Contact us before returning anything
Do not send a product back without return authorization. Research materials may be subject to handling, integrity, or chain-of-custody considerations that affect whether a return can be accepted.
Damaged, incorrect, or missing items
Contact us promptly after delivery and include the order request number, a description of the issue, and clear photos when relevant. We will review the available shipping and order records.
Unopened products
Eligibility for a return of an unopened product is determined case-by-case based on order status, product condition, handling history, and applicable requirements.
Opened or compromised products
Products that have been opened, altered, improperly stored, or otherwise compromised may not be eligible for return.
Cancellations
Submit a cancellation request as soon as possible. A request may not be cancellable after fulfillment or carrier handoff has begun.
How to request help
Use the contact form and select “Shipping or return.”