mis c cracked lips Constantly what could keep causing this? My daughter (9yo) suffers from constantly cracked lips. This has been going on year-round for at least two years. It's always the bottom lip Cracked Lip Corners? You May
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Also keep away from light

JAMA 2009;302:19932000

The serums EGF component 1% Epitensive EGF is supporting cellular renewal alongside the vitamin C brightening work, which means skin is improving on two levels simultaneously: the surface appearance and the underlying cell turnover rate
However, overuse may cause heartburn, diarrhea, fishy body odor in sweat, urine, or breath, gastrointestinal discomfort, and stomach upset

So make sure you have exfoliated your lips or it will settle onto dry patches
A novel regulatory mechanism of smooth muscle -actin expression by NRG-1/circACTA2/miR-548f-5p axis