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 Causemetics Rewards? Do you have samples? Can I place a bulk order?