FAQ Sanotin –¬†most frequently asked questions about Sanotint products – Can grey hair be coloured well with Sanotint classic? Yes, Sanotint classic colours gives total grey coverage from your first session. ¬†– What is Sanotint shelf life? Sanotint shelf life in unopened containers and stored in a controlled environment, is up to 7 years, before it will lose its effectiveness. … Continue reading FAQ SANOTINT