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The skin barrier—which is our outermost layer of skin cells and a lipid that holds all of them together—protects our skin from many harmful things. It functions as a permeability barrier, UV barrier, oxidant barrier, and many others that could cause damage to our skin.
Jayjun is a korean skincare company founded in 2015. A group of dermatologists, plastic surgeons, and cosmetic researchers came together to create products that will help with skin brightening and anti-aging. Their headline "Responsible for beauty" says it all.