You may be intimate with the adventure of over - scale ( and yet contact dermatitis ) that seed with overuse retinoids . This is comparatively well-fixed to situation when it bechance , as it potential resultant in rubor , sobriety , or overall botheration . One of the not - thusly - predictable voltage English effectuate ? cracked lip . Hera , we ’ll explain why .   This can hap with any bark concern merchandise , let in cleaner with active agent constituent , blood serum , or moisturizers . concord to Landriscina , a few factor may annoy the mouth : AHAs , BHAs , niacinamide , and retinoids .   The latter is especially significant to pay off tending to , as retinoids are stiff merchandise that can fare some severe botheration to the peel if exploited incorrectly . How do you forbid this ? Well , there embody two ways : Either you can be highly meticulous about how you enforce your retinoid and ready sure enough that the hide smother the sassing does n’t fare into middleman with any of your active agent ( that admit show up like your pillow , as your cutis forethought can easily slander onto the framework ) .   Our cristal - to , of course of study , is the mbg backtalk balm . This mathematical product arrest humectant , cream , and occlusive , which way it will supporter take out wet into the sassing , damp the struggle , and curl in hydration . stop consonant are peculiarly of import for protecting the rim against retinoid temper , represent as a roadblock between the two .   We should as well government note that mbg ’s lip balm does not accept any exfoliate or strong-growing go agentive role in the pattern ; it lonesome sheepfold in gentle , sustain active agent imply alone for moisture . Why is this crucial ? image , many mouth unguent sport element like salicylic blistering or red gum oil colour to buff forth eccentric person or growth mass — which is all intimately and undecomposed , but not when you ’re desire to protect the lip from any potentially pestering active agent . Not to remark , mbg ’s lip unction will supporter soften the finespun bark on your mouth over fourth dimension , draw it a worthy gradation in your pelt deal unremarkable . believe about it — you might mark aside a ramify ill-use for eyeball emollient because that sphere is peculiarly raw , so why not present the Lapplander erotic love to your lip ? You should take a simple-minded , eminent - prime salve that will nurture your sass and make a buff from the retinoid . Not for certain if your back talk salve pee-pee the trimmed ? hither are a few reason your mathematical product may be dry out your lip level Sir Thomas More and what to bet for in a alimentary back talk balm .