Many people experience acne on the face, including the lips. Certain foods and makeup products are common culprits of lip pimples, but treatments can help reduce their appearance and discomfort.

Dermatologists give us the low-down. Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples are to blame, though telling the difference isn't always easy.

Lip pimples can be caused by lipstick, sweat, poor diet, and hormonal changes. If you have a lip pimple, don't squeeze it, apply salicylic acid, and use a warm compress. If you get acne frequently ...