Read and follow instructions on enclosed leaflet. Before colouring, do the allergy test and strand test. With gloves on, open tube 1 and squeeze contents into bottle 2; shake. Apply to hair according to the instructions and timing in the enclosed leaflet. Rinse and shampoo. Apply the HydraShine Conditioner (3). Dry and style your hair and admire your bright, bold color! After 2 weeks, apply the Colour Boost Glaze to recharge and boost your color! With gloves on, apply the Colour Boost Glaze to clean, damp hair; Leave it for 2-5 minutes; Rinse, style and enjoy!