Support for eczema-prone scalps: Unlike CLn Shampoo, CLn 2 in 1 Gentle Wash & Shampoo is preserved with sodium hypochlorite but does not contain salicylic acid, which makes it a great solution for those with sensitive or eczema-prone scalp. Can be used daily without irritation or drying effect. This hydrating wash repairs dry and irritated skin and hair to create a radiant appearance. Designed by physicians: CLn 2 in 1 Gentle Wahs & Shampoo is free of steroids, antibiotics, parabens, triclosan, and fragrances; it is hypoallergenic, non-drying, non-irritating, and has not been tested on animals. How to use CLn 2 in 1 Gentle Wash & Shampoo: Daily or as needed, wet head and massage into hair and scalp for 30 seconds. Rinse thoroughly. You can use your favorite conditioner and other hair products after using this shampoo. CLn Gentle Shampoo has not been tested on color treated hair.