This Stargazer Semi Permanent Hair Dye Colour Rinse is the perfect way to add a splash of colour to your hair. It comes in a 70ml bottle and is available in 1, 2 and 4 packs. The Soft Blue colour is a great way to add a subtle hint of colour to your hair without being too overpowering. This hair dye is semi-permanent, meaning it will last for several weeks before needing to be re-applied. It is easy to use and can be applied directly to the hair. Simply apply the dye to the desired area and leave for 10-15 minutes before rinsing off. The dye is suitable for all hair types and is gentle on the scalp. This Stargazer Semi Permanent Hair Dye Colour Rinse is a great way to add a touch of colour to your hair without the commitment of a permanent dye. It is easy to use and will last for several weeks before needing to be re-applied. It is suitable for all hair types and is gentle on the scalp.