Tips: How long the hair color lasts is also related to the frequency of shampooing and the water temperature. It is not recommended to wash your hair in too high of a water temperature, usually around 38-40 degrees is optimal. This will keep it longer. ✉Certainly!Ifyouhaveanyquestions,pleasefeelfreetocontactusviaemailatinfo@tssint.com.✉ ✈WORLDWIDESHIPPING✈ ShippingtimePriorityisgiventodeliveryafterpayment. TrackingNumberswillbesentsothatyoucantrackit.Coolgadgetsareworthwaitingfor…