Can be used either in the salon or at home to reduce texture and leave hair free-free. High quality keratin & collagen blend. Restores depleted keratin into hair fibers without removing volume. Reduces drying and styling time. Convenient economical home use system. Convenient for travel, special occasions or for touch-up. Approximately 2 – 4 applications per bottle. Results vary based on hair length, density and how often hair is shampooed.