“Every lip color has orange or blue undertone no matter what color it really is,” says Jamie. “If you wear lip gloss with a blue undertone, it will make your teeth appear whiter and brighter.” Jamie’s advice? Get a new hue! Something as simple as getting a new gloss color can put a spring back into your step. “It can make a huge difference. Women have said wearing gloss with blue undertones makes it easier for them to smile more and they feel more confident.”