SUNGBOON EDITOR Alaska PDRN Ultra Moisturizing Barrier Cream is a dermatologist-grade barrier cream formulated with 93.5% ultra-pure Alaskan Salmon PDRN (5,250ppm), a 5-Ceramide Complex, and 10 types of hyaluronic acid, clinically proven to improve skin barrier function by 199% in 7 days with zero irritation.