According to users on BeautyTok, the "slathering method" — especially when you use Avène's Cicalfate+ Restorative Protective ...

These may include ceramides, panthenol and niacinamide, which help support skin-barrier repair, or antioxidants like vitamin C for additional protection against environmental stress, says Akhavan.

“Oat is rich in beta-glucans, which form a protective barrier on the skin ... in the repair of damaged or dry areas.