Hair serum with a Botox-style formula — a lightweight treatment designed to nourish, smooth and improve the look & feel of hair (common for hair Botox serums).Helps reduce frizz, add shine and make hair more manageable, especially if your hair is dry, rough, damaged or chemically treated. These serums typically coat the hair shaft with smoothing agents to create a sleek finish.Hydrates and smooths hair strands.Helps tame frizz and flyaways.Adds shine and softness.Can make hair easier to style and comb.Apply a few drops to damp or dry hair — usually from mid-lengths to ends — and gently distribute with your fingers or a comb. No rinsing needed.