This Body Mass Leave-In Plumping treatment from Kevin Murphy is designed to deliver noticeable volume and thickness to the hair. It works by targeting the hair shaft, helping to create a fuller appearance without weighing the hair down. Ideal for fine or thinning hair types, this product provides foundation and body for styling, improving overall hair health and density over time. Apply to damp or towel-dried hair and style as desired to enjoy enhanced body and resilience throughout the day.