Shu Uemura Izumi Tonic Strengthening Hair Mask is an intensive rinse-out treatment formulated with Japanese rice water and ceramides to fortify fragile, breakage-prone hair. This creamy mask deeply nourishes and reinforces the hair fiber, leaving it smoother, thicker, and more resilient. With continued use, hair appears stronger and full of vitality. For optimal results, use weekly in combination with Izumi Tonic Shampoo and Thickening Rice Water Serum. Directions:Apply to clean, damp hair after shampooing. Focus on mid-lengths and ends. Leave on for 5–10 minutes, then rinse thoroughly. Use once a week or as needed.
