i ran out of shampoo at the start of this week so i conveniently used my brother's head and shoulders shampoo. this is embarrasing but i must really say that i like it. my hair feels nice, clean and light even after a long day. definitely cost effective if i just use head&shoulders. $60 per litre VS $10 per litre. okay exaggerated i don't think it's that cheap. $20 per litre? i heard that using anti-dandruff shampoo when you don't have dandruff will eventually give you dandruff? i'm wondering if it's an old wives' tale or if there's any truth behind it. can anybody clarify?