Ammonia-free Water-based hair dye. It is applied by lightening the hair color. Never use materials such as oxidant - hydrogen peroxide during the application. After the application, leave it on the hair for 15-20 minutes and then wash your hair by bending it forward. Please do not apply conditioner - water, etc. to the product. Do not mix. If you want to lighten the color tone, please use our pastelizer product. The time the product stays on your hair may vary depending on the color of the product applied (on average, it will stay on your hair for 10 washes).