A deep red, cranberry-tinted lipstick that's also antimicrobial

Lipstick can be a confidence booster, enhance a costume and keep lips from chapping. But sharing a tube with a friend or family member can also spread infections. To develop a version with antimicrobial properties, researchers ...

Does makeup make you feel smarter?

Does wearing makeup affect academic performance? The new study investigates the "Lipstick Effect" among college students.

Tying lipstick smears from crime scenes to specific brands

It's a common forensic TV show trope: A crime is committed, there are no suspects, and then detectives find a faint lipstick mark. The sample is put in an evidence bag and sent to the lab. Then boom, they analyze it in minutes ...

How to make palm oil without destroying forests

The versatility of palm oil has led to its use in not just food products but also in everyday goods from lipstick to laundry detergent. But its utility has resulted in the destruction of Southeast Asian rain forests that ...

EarthTalk: What is 'nanotechnology'?

Dear EarthTalk: What is "nanotechnology"? I've heard that nanoparticles are already in consumer products, yet we haven't really studied their potential health impacts. (Dan Zeff, San Francisco)