Ulta Beauty's 21 Days of Beauty Sale Is Finally Here — These Are the Best Deals to Shop

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The deals taking place during the biannual Ulta Beauty 21 Days of Beauty can be described in just one word: "Whoa."

In more words, the deals are massive and an opportunity to shop your favorite makeup and skincare products for up to 50 percent off. Kylie Lip Kits, full-size Tarte eye shadow palettes, and replacement heads for your Clarisonic are just a few of the beauty goods that will have their prices slashed within the three-week event, which goes until Sept. 20.

Check out the best sales and exactly when they will take place ahead.

Peter Thomas Roth
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Peter Thomas Roth

Sale: Peter Thomas Roth eye creams, including the Peter Thomas Roth Firmx 360 Eye Renewal ($38, originally $75), will be 50 percent off.

When: Sunday, Sept. 1

Benefit Cosmetics
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Benefit Cosmetics

Sale: All Benefit Cosmetics POREessional Face Primers, including the Benefit Cosmetics the POREfessional Face Primer Value Size ($27, originally $54), will be 50 percent off.

When: Sunday, Sept. 1

Foreo
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Foreo

Sale: Foreo Luna Play Plus ($25, originally $49)

When: Monday, Sept. 2

BareMinerals
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BareMinerals

Sale: All BareMinerals concealers, including the BareMinerals bareSkin Complete Coverage Serum Concealer ($11, originally $22), will be 50 percent off.

When: Wednesday, Sept. 4

MAC
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MAC

Sale: MAC Lipstick Crème In Your Coffee ($9, originally $19) and Diva will be 50 percent off.

When: Thursday, Sept. 5

Lancome
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Lancome

Sale: Lancome Monsieur Big Mascara ($13, originally $25)

When: Friday, Sept. 6

Perricone MD
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Perricone MD

Sale: All of the Perricone MD High Potency Classics Collection, including the Perricone MD High Potency Firming Eye Lift ($36, originally $72), will be 50 percent off.

When: Friday, Sept. 6

Too Faced Cosmetics
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Too Faced Cosmetics

Sale: All Too Faced Natural face and eye palettes, including the Natural Eyes Neutral Eyeshadow Palette ($19, originally $38), will be 50 percent off.

When: Sunday, Sept. 8

Smashbox
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Smashbox

Sale: Smashbox Photo Finish Primers, including the Smashbox Photo Finish Primer in Reduce Redness ($20, originally $39), will be 50 percent off.

When: Sunday, Sept. 8

Too Faced
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Too Faced

Sale: All Too Faced Tutti Frutti Palettes, including the Too Faced Tutti Frutti Sparkling Pineapple Eyeshadow Palette ($17, originally $34), will be 50 percent off.

When: Tuesday, Sept. 10

Buxom Cosmetics
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Buxom Cosmetics

Sale: Buxom Cosmetics PlumpLine Lip Liner ($9, originally $18)

When: Wednesday, Sept. 11

Proactiv
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Proactiv

Sale: Proactiv Deep Cleansing Face Wash ($28, originally $55)

When: Wednesday, Sept. 11

Kylie Cosmetics
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Kylie Cosmetics

Sale: All Kylie matte and velvet lip kits, including the Kylie Cosmetics Kylie Matte Lip Kit ($15, originally $29), will be approximately 50 percent off.

When: Saturday, Sept. 14

Philosophy
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Philosophy

Sale: All Philosophy night creams, including the Philosophy Renewed Hope in a Jar Overnight ($25, originally $49), will be 50 percent off.

When: Saturday, Sept. 14

Too Faced
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Too Faced

Sale: All Too Faced Hangover products, including the Too Faced Hangover Replenishing Face Primer ($17, originally $34), will be 50 percent off.

When: Sunday, Sept. 15

CoverFX
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CoverFX

Sale: CoverFX Perfect Setting Powder ($18, originally $35)

When: Tuesday, Sept. 17

PÜR
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PÜR

Sale: All PÜR false lashes, like the PÜR PRO Eyelashes ($7, originally $14), and mascaras will be 50 percent off.

When: Wednesday, Sept. 18

First Aid Beauty
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First Aid Beauty

Sale: First Aid Beauty Face Cleanser ($11, originally $21)

When: Wednesday, Sept. 18

Lancome
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Lancome

Sale: Lancome Visionnaire products, including the Lancome Visionnaire Advanced Skin Corrector Serum ($40, originally $80), will be 50 percent off.

When: Wednesday, Sept. 18

Dose of Colors
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Dose of Colors

Sale: Dose of Colors Matte Liquid Lipstick ($9, originally $18)

When: Thursday, Sept. 19