When Dry Shampoo is not enough, Dry Shampoo Foam to the rescue-it is. A Magic Eraser for the hair, it works without water to thoroughly cleanse and refresh hair while adding instant volume and shine. How to use: Dispense a small amount of foam into palms and emulsify. Apply the foam to dry hair in sections, starting along the part. Thoroughly massage into scalp and hair until completely dry. Free of Talc and Parabens.