As an avid skincare enthusiast, I wasted no time before high-tailing it to my dermatologist.

The latter seemed to be the most likely culprit.

Ahead, find out everything you oughta know about your lip’s moisture barrier.

woman staring into the camera

Stocksy

What Is the Lip Moisture Barrier?

He says the most important part is the vermilion border, which is extremely prone to dehydration.

What Causes a Damaged Lip Moisture Barrier?

Dr. Collins says certain lip products can also cause a compromised lip moisture barrier.

“Lanolin and fragrance are common additives which are major culprits for allergic contact dermatitis and irritant dermatitis.”

confirm you are alsoprotecting your lips from the sunwith anSPF lip product."

Some people will experience improvement in a matter of weeks, while more severe cases may take longer.