And exactly why we became so obsessed with them.

Including overnight treatments that transformed our skin while we snoozed, a buzzy hair tool we've become obsessed with and multi-tasking formulas that streamlined our routines.

These accessories prevent breakage, frizz and flyaways without compromising on chicness.

Machine Gun Kelly and Harry Styles both entered the beauty space with their own nail polish. So: Why nails, and why now?

These are the formulas and tools you'll definitely want to start the new year with.

The Marvel superhero and red carpet superstar also dishes on her 'eye-brator' sessions in the makeup trailer with "Eternals" co-star Richard Madden.

We spoke to estheticians, dermatologists, beauty editors, makeup artists and brand founders about their visions for the year ahead.

Gorgeous sets, luxurious bath products, glitzy makeup palettes and more with price tags that are (pleasantly) surprising.

The legendary makeup artist teamed up with Shondaland and Netflix to give you "duchess vibes" just in time for New Year's.

One writer's search for truth, and radical hair acceptance, in HBO's "Sex and the City."

The viral social media sensation and face painter to Gigi Hadid shares her favorite products, where she finds vintage cosmetics and how she keeps her skin from freaking out.

These advanced formulas, ultra-effective tools and coveted sets will satisfy even the most high-maintenance skin-care obsessives.

Meet Un/Dn Laqr, a genderless nail polish brand from the rapper also known as Colson Baker.

Including big-name finds from actually good celebrity beauty brands (well played, Simi & Haze, Harry Styles and Ashley Greene).

Double the savings, double the fun.

These perfume sets, oils and gift boxes are anything but generic.

From makeup steals to discounts on your favorite skin-care products.

Answers from someone who's been through it.

Including top hair, makeup, skin-care, fragrance and wellness picks at every price point.

(It's ok if that person is you.)

The iconic beauty tool which now holds a place in the Smithsonian first came to be on the set of beloved TV show "Girlfriends."

Spanning makeup, skin care, hair care and fragrance, there's something for everyone (and every budget).

Get a first look at all 62 formulas and shades before they drop.