Palmer's Cocoa Butter Formula Length Retention system with Biotin, fully strengthens hair with powerhouse natural protectants that help block fragileness, brittleness, breakage and split ends, to help hair achieve its optimal length. This creamy, silicone free leave-in conditioner instantly eliminates knots, tangles, while improving hair's strength to protect it from splits and breakage. Leaves hair silky, smooth, more manageable and ready for styling.