Product details:Boosted with lauryl betaine and anti-microbial piroctone olamine, this clarifying shampoo works to cleanse your hair and scalp without causing redness and irritation. It also works to relieve signs of dandruff, so you can go about your day worry- (and itch) free. This multi award-winning formula is gentle enough to use every day, and it's also safe for colour treated hair. And you can't argue with the stats: 99% of people in a consumer trial said that it cleared their dandruff - we like those odds! Aveda Scalp Solutions Balancing Shampoo 1000ml