I've had a noticeable white/gray patch on the exterior of my lower lip. It looks like dried skin, but it's resistant to exfoliation. Lip balms including Carmex don't help. I was referred to an ENT, and he says it's not cancer or an infection, but he recommends an excision biopsy. The ENT thinks I may have a blocked salivary gland, and he said the surgery would remove the entire area and my lip would be stitched closed with minor scarring. I am reluctant to undergo this procedure. In the meantime, he prescribed Kenalog Orabase to apply to the area. I am concerned this may be something "simple" and an excision biopsy too extreme. What could cause this discoloration on my lower lip? I am 46 year old male, in good health.