When a client sat down in Farhana Premji's (@xo.farhana.balayage) chair with hair that had an orange/green sheen, she knew it immediately: Hard water. This type of water is common in many areas, and years of washing hair with hard water can have negative effects on chemical services and the hair’s health. Here’s how Farhana approached this situation and her key tips on how to give your clients who have hard water the stunning, healthy result they want.