If you're cashing in rewards for your groceries, grande iced lattes, flights home, or even your weekly mani-pedis, we gotta ask: Why aren't you racking up points for the money you spend on beauty products? Beauty loyalty programs — you know, the ones they ask you about every. single. time. they ring up your shampoo and conditioner — actually have some pretty great perks. And they're all free.
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