Does the referral link expire? November 01, 2018 18:40 No, it does not! Your friend can click on your referral link at anytime to make their first purchase. Related articles How does the Refer a Friend work? How can I find out about discounts and promotions offered by Thrive Causemetics? What are Thrive Rewards? Can I place a bulk order? Do you send out samples? If so, how can I get samples of your products?