Return & Refund Policy

All sales are final after the product is tendered to the carrier. We do not accept returns. Cancellations are allowed before shipment. Refunds are available only in the limited scenarios below.

Research-material integrity depends on documented chain of custody and controlled storage. After a package leaves our facility, we cannot verify those conditions, so shipped product—including unopened product—cannot be returned to inventory.

You may request cancellation before carrier handoff by emailing support@crescentbiolabs.com with the order number and subject “Cancel Order.” If we confirm cancellation before shipment, the original payment method will receive a full refund. A request arriving after carrier handoff cannot be honored.

Confirmed pre-shipment cancellation

A full refund is issued after timely cancellation is confirmed.

Verified non-delivery

If the carrier confirms loss in transit, we may replace or refund after investigation. Report non-delivery within 21 days of the estimated delivery date.

Wrong product shipped

Report the error within seven days of delivery with label and product photographs. We will arrange an eligible replacement or refund.

Damage in transit

Report visible damage within 48 hours with photographs of the carton, packaging, label, and items. Keep the package and product until the claim is resolved. An approved claim may receive replacement or refund under the Shipping Policy.

We do not refund:

• change of mind, buyer’s remorse, or ordering the wrong product;
• unsuccessful or unexpected research results;
• claims about performance, effect, safety, or suitability beyond the product specification;
• refusal of delivery without a verified carrier or fulfillment issue;
• an incomplete or incorrect address supplied by the purchaser;
• ordinary carrier, weather, holiday, or force-majeure delay;
• opened, transferred, resold, relabeled, or altered product;
• claims submitted outside the reporting windows; or
• a scenario inconsistent with this Policy or the Terms of Service.

Approved refunds are submitted to the original payment method within five to ten business days after confirmation. Posting time depends on the financial institution. We do not issue cash, checks, or refunds to a different method. Shipping charges are nonrefundable unless the refund results entirely from our error.

Contact support@crescentbiolabs.com before opening a bank or payment dispute so we can investigate. Knowingly disputing a delivered order, filing an unrecognized-charge claim without a good-faith inquiry, or using a chargeback to obtain a refund outside this Policy may be treated as abuse.

For an abusive or fraudulent dispute, we may suspend the account, refuse future orders, submit fulfillment and communication evidence to the processor, and pursue lawful recovery of the amount and associated costs. Nothing in this section limits a consumer right that cannot legally be waived.