Infusium 23 Pro Original Leave-In Treatment is a professional hair care formula designed to help repair and strengthen hair while improving manageability and shine. Infused with a Pro-Vitamin B5 complex, this lightweight leave-in treatment penetrates deeply into the hair to help repair the visible signs of damage and protect against breakage. The formula helps detangle hair and smooth the cuticle while leaving hair feeling stronger and healthier looking. It can be used daily or immediately after chemical processing to help support hair recovery and improve overall condition. The non-rinse formula absorbs easily without weighing hair down and helps improve softness, manageability, and shine. Suitable for a variety of hair types, Infusium 23 Pro Original Leave-In Treatment provides professional-quality hair care in a large 1 liter (33.8 fluid ounce) bottle designed for long-lasting use.