The Shiseido Tsubaki Premium EX Repair Hair Mask Refill (150g) is a premium Japanese hair treatment mask designed for severely damaged hair. This refill pack features ionic repair technology that penetrates deep into hair fibers for instant repair without waiting time. Formulated with camellia oil, royal jelly extract, and soybean extracts, it effectively treats damage from root to tip, leaving hair smooth and glossy. The mask has a pleasant camellia honey fragrance and is best suited for those seeking salon-quality repair treatment at home, recommended for use 1-2 times weekly.