CONCEPT: Shampoo that moisturizes, revitalizes & increases the hairs diameter.WHAT IT IS: A blend of proteins & Panthenol.WHAT IT DOES: Big Volume Shampoo moisturizes, revitalizes & increases the hairs diameter, creating more volume. Citric acids in shampoo adjust p H level of waterused with shampoo, bringing it to a neutral state for optimal condition.HOW ITS USED: Apply Big Volume Shampoo to wet hair. Work into a lather & rinse. Repeat if necessary.WHEN ITS USED: May use Big Volume Shampoo daily for normal to dry and/or combination hair types.