Dr.Althea Aqua Blue Hydration Mask Set 28g (4ea) is a Korean sheet mask set for dehydrated and sensitive skin. Its natural blue tint comes from Azulene, which calms irritation and redness. Bamboo Water delivers 24-hour hydration while Blue Agave Leaf Extract improves elasticity and texture. The tannin-rich oak wood sheet reduces facial puffiness. Free from artificial colorants. Order COD from koreanshopbd.com.