Carrotink.com does not explicitly advertise a referral program for customers on their website. However, they frequently provide promotions and discounts that customers can take advantage of, which may function similarly to a referral system by encouraging sharing and broader engagement with their products. Customers are often encouraged to share their positive experiences with friends and family, possibly leading to benefits for both parties if they take advantage of sales or deals available at the time. To stay updated on any potential referral initiatives or promotions that may be introduced, customers should regularly check the current promotions page on the Carrotink.com website, where any announcements about such programs may be posted.