https://propellocloud.com/tiered-loyalty-program/
Why A Tiered Loyalty Program Drives Better Results - Propello Cloud
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https://www.retaildive.com/news/madison-reed-hair-color-limitless-loyalty-rewards-program/647071/
Madison Reed launches new tiered loyalty program | Retail Dive
The hair color company will offer customers discounts and free services based on their membership tier for at-home and Hair Color Bar clients.
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