Amazon Prime Day 2019: The 11 Best Luxury Beauty Deals and Products to Shop

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Olaplex Hair Perfector No. 3 Repairing Treatment

If you put color in your hair—and especially if you've just done a dramatic lift, e.g., to platinum blond—you're going to want Olaplex's third step, a deeply hydrating and repairing treatment done before you shampoo. It keeps color more vibrant and hair healthier for way longer than if you're just conditioning, and if you spent all that money on a dye job, it's worth the $20 to give it some longevity.

Stila Stay All Day Waterproof Liquid Eye Liner

Stay all day? More like slay all day. We tried it, we loved it, and now it's on sale. With around 4,000 five-star reviews, this much loved liquid eyeliner goes on and stays on. Black isn't the only color on sale either—play around with emerald green, indigo, and charcoal gray, all of which are on Prime Day's offer too.

R+Co Acv Cleansing Rinse Acid Wash

Although we're loath to admit it, there is such a thing as a day or two too much of dry shampoo. For those days—or whenever you have some buildup on your scalp—R+Co's acid wash gently strips away the gunk without stripping your hair in the process. (And five stars on Amazon can't be wrong.)

Bioderma Atoderm Cleansing Oil

If summer has your skin peeling and flaking in all sorts of ways, this Bioderma cleansing oil is your savior. It goes a long way toward imparting moisture over the long-term, with the company reporting that skin is almost 40 percent more moisturized after a month of use. And no—it's not going to leave you greasy: The foam washes cleanly away, leaving skin hydrated, not oily.

Evian Facial Spray

People are legit obsessed with this hydrating facial spray: It's a great pick-me-up after a long flight or working all day in drying office AC—and some people even use it to help blend their makeup. It's rarely on sale, so grab it at 30% off while you can.

La Roche-Posay Anthelios SX Moisturizer With Sunscreen SPF 15

La Roche-Posay's line of Anthelios sunscreens are loved by both derms and regular people. This formula is made with a super-powered moisturizing ingredient and isn't too greasy or thick to wear under makeup. But act fast—this is a lightning deal, so once it's gone, it's gone.

Unite Hair 7 Seconds Detangler Leave In Conditioner

This seven-second detangler really lives up to its name, helping to loosen nasty knots while deeply conditioning hair. (This writer loves to spritz it on almost constantly during winter's dry cold.) Best of all? It's a heat and UV protectant too.

L'Occitane Hand Cream and Travel Mini Set

If you're one of those lotion people who always need a tube handy, whether in your purse, gym bag, bathroom counter, kitchen counter, nightstand—you get the point—this set of a full-size L'Occitane hand cream plus eight travel-size minis ensures you're never far from hydration.

Clarisonic Deep Pore Facial Cleansing Brush Head Replacement

You're obsessed with the Clarisonic you got last Prime Day, but your brush is getting gross? At 30% off, stock up on a couple.

Cargo Blush

Cargo's whole line of pro-quality blush is 30% off for Prime Day, whether you're after the subtle shimmer of their peach shade or a vibrant pop of coral.

Erno Laszlo White Marble Dual Phase Vitamin C Peel

You don't have to go to the spa to get a facial with this dual-threat set: A vitamin C peel removes your dry skin, while the second exfoliating step makes your skin glow, baby, glow.