Aveda Invati Ultra Advanced Exfoliating Shampoo for Thinning Hair is a purifying formula designed to reduce hair loss by 77% when used as part of the 4-step Invati Ultra Advanced system. Infused with wintergreen-derived salicylic acid, it gently exfoliates the scalp, removing excess oil and buildup that can clog hair follicles. This sulfate-free shampoo creates a light, frothy lather that cleanses without stripping moisture, leaving hair refreshed, healthy, and ready for the next step in the regimen.