<p><b>What it is: </b>A scalp serum for thinning hair featuring our breakthrough follicle vitality complex, which helps boost energy and protects against external aggressors to create a healthy follicle environment.</p><p><b>Who it's for:</b> Ideal for thinning hair.</p><p><b>What it does:</b> Reduce hair loss by with aveda's latest advancement for thinning hair: the invati ultra advanced 4-step system. Step three of your routine is a revitalizing scalp serum powered by our breakthrough follicle vitality complex. Featuring eclipta, alpinia and ginger, the complex creates a healthy follicle environment to support healthy-looking hair using a triple-action approach: It neutralizes and helps eliminate damaging oxidative stressors while protecting follicles to enhance resilience. It also invigorates and helps boost vital energy.</p><p><b>How to use:</b> Lift hair in sections and apply directly to scalp,evenly covering head. Gently massage. Do not rinse. Use as part of the invati ultra advanced 4-step system.</p>