- The undertones: "Most people can do both warm and cool," Quynh says, adding, "I recommend trying on both tones to see which complements your skin better."
- The texture: Textures also play a huge part. "Wearing a bright sheer color will be less vibrant than an opaque lipstick," Quynh advises. Of course if you're still stumped, just get them on. "Trying reds on your lips is a great way of figuring out what looks good. It takes the guessing part away."