New and Improved Bamboo & Silk HCO Leave-In Conditioner is a targeted, highly penetrating conditioning treatment, that detangles, smoothes and separates strands while providing intense thermal protection for blow drying and heat styles. Enriched with bamboo extracts and silk protein for maximum hair protection, Bamboo & Silk HCO Leave In Conditioner quickly penetrates deep within the hair shaft to strengthen and replenish needed proteins, leaving hair soft, manageable and full of body.