Often, you’ll see salicylic acid, benzoyl peroxide or other exfoliating acids, which work to remove buildup on the skin and control oil production. In natural versions ... like balm mint, eucalyptus ...
That's because the lips have a *very* thin outermost layer of skin, which blocks UV radiation and locks in moisture. Plus, the lips don't have any oil glands, which means the lips aren't getting any ...