What it is: An innovative formula which hydrates, protects and acts as a conditioner, with 2+1 effect (Salem 21), depending on the application method. Its scientific development based upon silk proteins and provitamin B5, adds shine and life to hair. What it does: Protects against: Sunlight, heat, pool chlorine and sea water. What else you need to know: Recommended for: Damaged, treated, porous or dehydrated hair. Key Ingredients: Silk Proteins and provitamin B5 Item Package Weight: 3.0 lb. Item Package Dimension: 2.0" L x 2.0" W x 7.5" H. Country Of Origin: United States. B5 provitamin liposomes.