Liquid 1 x 1 Liquid 2 x 1 Treatment x 1 It is a dense foam type, it adheres firmly to the roots that are difficult to dye, resulting in an even and beautiful finish. A "salon-inspired" color design that blends gray and blue to express transparency and softness. Smooth and moist texture is dyed. 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) 2 days (48 hours) before hair dyeing. If this product is too cold or too warm, it will be difficult for bubbles to come out. Before mixing, leave it at room temperature of 20 to 30 ° C for about 1 hour before use. Add 1st liquid to 2nd liquid and mix. Push the bottle to make bubbles. Apply plenty of foam to the entire dry hair, raise your finger and gently rub it into his hair. After leaving it for 20 to 30 minutes, rinse it off and finish it with shampoo and the attached repair treatment (rinse type).