Brand from Japan: Kao. The dense foam adheres firmly to the roots and invisible backs where it is difficult to dye, achieving a beautiful finish without unevenness. A salon-inspired color design that blends gray and blue tones to achieve a sense of transparency and softness. Dyed with a smooth, moist texture. With repair treatment (cosmetics) for after color. How to use: When using, be sure to read the enclosed instruction manual carefully and use it correctly. Be sure to perform a skin allergy test (patch test) every time 2 days (48 hours) before hair dyeing. If this product is too cold or too warm, it will become difficult to foam. Allow to stand at room temperature 20-30 C for about 1 hour before use. 1. Add liquid 1 to liquid 2 and mix. 2. Press the bottle to release bubbles. 3. Apply a generous amount of foam to the entire dry hair, hold your fingers up and gently rub it into his comb. 4. After leaving for 20 to 30 minutes, rinse off and finish with shampoo and the attached repair treatment (rinse-off type).