The Straand Crown Cleanse Concentrated Anti-Dandruff Prebiotic Shampoo is a daily shampoo formulated with prebiotics to help remove buildup, reduce itching, irritation and flakes while rebalancing the scalp's microbiome. Leaves straands feeling smooth and silky. Healthy hair starts with a healthy scalp. This concentrated formula works to gently remove sebum and product build up to keep the natural scalp microbiome balanced and healthy. Bonus: we do it without the chemicals.