When I first applied to be a beauty writer, I never thought part of my remit would be to scope out the best Prime Day beauty deals—but a week after I joined the team, my editors told me to do just so. A year since I joined the Shopping team, I’ve come to appreciate the endless scroll that’s part and parcel of writing about Amazon’s biggest sale of the year. It’s not for everyone, and I certainly don’t shop it as much I’d like to, but having tested every single product in this guide, I can tell you with confidence (my cow-print cat Ophelia as my witness!) that nothing in this edit will give you buyers’ remorse.

Whether you’re zeroing on makeup or hair-care essentials or contemplating a buzzy new device in earnest (it’s the Medicure Age-R Booster Pro for me), today is your last day to fast

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