Beauty

What it is: L'Oréal Paris Advanced Haircare Total Repair 5 Damage-Erasing Balm, $6.99What it does: Transforms hair damaged by heat styling, chemical treatments or the environment. Softens rough ends, tames flyaways and infuses shine.Why it works: The...

The Scientist: Barry Goldman, M.D., a practicing dermatologist in New York City and Chief of Dermatology at New York Downtown Hospital. The Answer: First, let us blow your mind: Hangnails aren't nails. They're made of...

What it is: Caudalie Premier Cru The Cream, $155What it does: Makes the skin look all-around young and juicy by improving firmess, tackling brown spots and deeply hydrating.Why it works: Fans of the original...

The Scientist: Debra Jaliman, M.D., a practicing dermatologist in New York City, American Academy of Dermatology Spokesperson and author of "Skin Rules." The Answer: No. Your pores have a genetically determined size, and you can’t...

Just like every other hair trend in history, bangs come back in cycles, becoming the “it” look about twice a decade. And right now, it’s a bangs moment. The red carpet is jam-packed with...

Bioderma Crealine Sensibio H20, $38 This cleansing water is a cult favorite (check out IntoTheGloss.com for rave reviews from beauty insiders) and makeup-artist staple. It removed our (practically bulletproof) SPF 50 sunscreen beautifully, with zero...

Loved by makeup artists and derm-approved, what exactly are cleansing waters, and what can they do for your skin? We talked to the experts to get the dirt (or lack thereof).

The lowdown on the biggest buzzword in hair care today and why you should know about it.

Wondering what all those crazy ingredient names mean in your skin and hair care products? YouBeauty's Cosmetic Chemistry Expert Ni'Kita Wilson answers your burning questions.

BB Creams have gone to our heads and-just like their famous skincare cousins-promise to pack all your hair styling needs in one little bottle.