Sebastian 2+1 Daily Moisture Shampoo 10.2 oz Originals - A Recipe for Healthy Hair.. Hair like the body,needs moisture and protein to stay healthy and conditioned. Sebatian 2+1 shampoo is an original hair recipe of 2 parts moisture and 1 part protein to give hair hydration and nourishment. Normal to dry hair feels conditioned,silky,moisturized and healthy. At Sebastian,2+1 equals fabulous!