Reduce hair loss by 77%* with our latest innovation for thinning hair: the invati ultra advanced 4-step system. This deeply nourishing conditioner for thinning hair is the second step in your routine. The formula detangles, thickens and strengthens sensitive, thinning hair - so you can enjoy your hair for longer. Instantly conditions and thickens normal to thick hair with a plumping plant-based blend that increases diameter from root to tip.