NUMBUZIN No.2 Rose PDRN Overnight Collagen Mask 37g x 4ea is a Korean color-changing gel mask for firming and plumping. It wraps skin in 69% Collagen Water, Rose PDRN, and 9 Peptides, transforming from opaque to transparent as ingredients fully absorb overnight. Clinically proven to boost collagen and elastin after a single use. Safe for up to 12 hours of continuous wear. Suitable for all skin types. Order COD from koreanshopbd.com.